\[\boxed{\text{4.\ 246}}\]
\[- 9,3 \rightarrow 9,3\]
\[\frac{4}{9} \rightarrow - \frac{4}{9}\]
\[- 17\frac{5}{8} \rightarrow 17\frac{5}{8}\]
\[14,63 \rightarrow - 14,63\]
\[1 \rightarrow - 1\]
\[0 \rightarrow 0\]
\[0,001 \rightarrow - 0,001\]