Home / 755,559.88-1,042,691.32-411,414.66

Finding the Fourth Proportional to 755,559.88, 1,042,691.32 and 411,414.66

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Solution

The fourth proportional to 755,559.88, 1,042,691.32 and 411,414.66 is: 567,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,559.88 : 1,042,691.32 = 411,414.66 : x
  2. Step 2: Convert to fraction form
    755,559.88/1,042,691.32 = 411,414.66/x
  3. Step 3: Cross multiply
    755,559.88x = 1,042,691.32 × 411,414.66
  4. Step 4: Simplify right side
    755,559.88x = 428,978,494,902.75
  5. Step 5: Solve for x
    x = 428,978,494,902.75/755,559.88
  6. Step 6: Final answer
    x = 567,762.41

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Double scale
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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.