If you have been levitating at 7.489 Hz, maybe,
\(7.489*\cfrac{528}{432}=9.153 Hz\)
or
\(7.489*\cfrac{432}{528}= 6.127 Hz\)
either 9.153 Hz or 6.127 Hz, like the portal opening or closing will bring you down safely.
Good night.
