we know that
[tex]1 mile=63360 inches[/tex]
now, we can solve for 1 in
[tex]1in=\frac{1}{63360} mile[/tex]
now, we are given
253440 inches
so, we can multiply both sides by 253440
we get
[tex]253440*1in=253440*\frac{1}{63360} mile[/tex]
[tex]253440in=4 miles[/tex]..............Answer
