Home / 621,538.10-932,307.14-411,126.83

Finding the Fourth Proportional to 621,538.10, 932,307.14 and 411,126.83

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Solution

The fourth proportional to 621,538.10, 932,307.14 and 411,126.83 is: 616,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,538.10 : 932,307.14 = 411,126.83 : x
  2. Step 2: Convert to fraction form
    621,538.10/932,307.14 = 411,126.83/x
  3. Step 3: Cross multiply
    621,538.10x = 932,307.14 × 411,126.83
  4. Step 4: Simplify right side
    621,538.10x = 383,296,472,337.40
  5. Step 5: Solve for x
    x = 383,296,472,337.40/621,538.10
  6. Step 6: Final answer
    x = 616,690.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.