Home / 756,147.60-1,134,221.40-557,349.30

Finding the Fourth Proportional to 756,147.60, 1,134,221.40 and 557,349.30

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Solution

The fourth proportional to 756,147.60, 1,134,221.40 and 557,349.30 is: 836,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,147.60 : 1,134,221.40 = 557,349.30 : x
  2. Step 2: Convert to fraction form
    756,147.60/1,134,221.40 = 557,349.30/x
  3. Step 3: Cross multiply
    756,147.60x = 1,134,221.40 × 557,349.30
  4. Step 4: Simplify right side
    756,147.60x = 632,157,503,335.02
  5. Step 5: Solve for x
    x = 632,157,503,335.02/756,147.60
  6. Step 6: Final answer
    x = 836,023.95

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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.