Finding the Fourth Proportional to 1,699,705.42, 2,345,547.99 and 935,764.72
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Solution
The fourth proportional to 1,699,705.42, 2,345,547.99 and 935,764.72 is: 1,291,330.27
Step by Step Solution
- Step 1: Write the proportion equation
1,699,705.42 : 2,345,547.99 = 935,764.72 : x - Step 2: Convert to fraction form
1,699,705.42/2,345,547.99 = 935,764.72/x - Step 3: Cross multiply
1,699,705.42x = 2,345,547.99 × 935,764.72 - Step 4: Simplify right side
1,699,705.42x = 2,194,881,058,108.91 - Step 5: Solve for x
x = 2,194,881,058,108.91/1,699,705.42 - Step 6: Final answer
x = 1,291,330.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.