Home / 621,824.60-932,736.90-574,131.80

Finding the Fourth Proportional to 621,824.60, 932,736.90 and 574,131.80

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Solution

The fourth proportional to 621,824.60, 932,736.90 and 574,131.80 is: 861,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,824.60 : 932,736.90 = 574,131.80 : x
  2. Step 2: Convert to fraction form
    621,824.60/932,736.90 = 574,131.80/x
  3. Step 3: Cross multiply
    621,824.60x = 932,736.90 × 574,131.80
  4. Step 4: Simplify right side
    621,824.60x = 535,513,915,323.42
  5. Step 5: Solve for x
    x = 535,513,915,323.42/621,824.60
  6. Step 6: Final answer
    x = 861,197.70

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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.