\[\boxed{\mathbf{487}.}\]
\[1)\ \sqrt[3]{3}\text{\ \ }и\ \ \sqrt[3]{4};\]
\[3 < 4;\]
\[\sqrt[3]{3} < \sqrt[3]{4}.\]
\[2)\ \sqrt[6]{5}\ \ и\ \ \sqrt[6]{7};\]
\[5 < 7;\]
\[\sqrt[4]{5} < \sqrt[4]{7}.\]