Home / 591,711.60-887,567.40-379,135.20

Finding the Fourth Proportional to 591,711.60, 887,567.40 and 379,135.20

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Solution

The fourth proportional to 591,711.60, 887,567.40 and 379,135.20 is: 568,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,711.60 : 887,567.40 = 379,135.20 : x
  2. Step 2: Convert to fraction form
    591,711.60/887,567.40 = 379,135.20/x
  3. Step 3: Cross multiply
    591,711.60x = 887,567.40 × 379,135.20
  4. Step 4: Simplify right side
    591,711.60x = 336,508,043,712.48
  5. Step 5: Solve for x
    x = 336,508,043,712.48/591,711.60
  6. Step 6: Final answer
    x = 568,702.80

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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.