Finding the Fourth Proportional to 692,216.96, 955,691.84 and 530,761.68
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Solution
The fourth proportional to 692,216.96, 955,691.84 and 530,761.68 is: 732,782.69
Step by Step Solution
- Step 1: Write the proportion equation
692,216.96 : 955,691.84 = 530,761.68 : x - Step 2: Convert to fraction form
692,216.96/955,691.84 = 530,761.68/x - Step 3: Cross multiply
692,216.96x = 955,691.84 × 530,761.68 - Step 4: Simplify right side
692,216.96x = 507,244,606,560.69 - Step 5: Solve for x
x = 507,244,606,560.69/692,216.96 - Step 6: Final answer
x = 732,782.69
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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.