I’d suggest a district should be no smaller than 1/3 of the population of a single state (190K)… Putting it around 17-1800 reps. It’s exactly a 4 fold increase.

Something like 60 metro areas are above 1M and will have representation of 6+ reps, vs currently only 15ish get that today.

We will see more people elected that more accurately reflect the values of that specific area. This also works for small population states.

A house of this size presents logistics challenges and difficulties in determining committee appointments. But that seems solvable with the technology we have available today.

The real barrier is that this will result in a forfeiture of individual power and cede some control to smaller parties. So nobody will actually propose this.