Home / 787,062.60-1,181,906.10-521,998.20

Finding the Fourth Proportional to 787,062.60, 1,181,906.10 and 521,998.20

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Solution

The fourth proportional to 787,062.60, 1,181,906.10 and 521,998.20 is: 783,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,062.60 : 1,181,906.10 = 521,998.20 : x
  2. Step 2: Convert to fraction form
    787,062.60/1,181,906.10 = 521,998.20/x
  3. Step 3: Cross multiply
    787,062.60x = 1,181,906.10 × 521,998.20
  4. Step 4: Simplify right side
    787,062.60x = 616,952,856,769.02
  5. Step 5: Solve for x
    x = 616,952,856,769.02/787,062.60
  6. Step 6: Final answer
    x = 783,867.58

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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.