Home / 773,500.20-1,160,250.30-521,557.80

Finding the Fourth Proportional to 773,500.20, 1,160,250.30 and 521,557.80

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Solution

The fourth proportional to 773,500.20, 1,160,250.30 and 521,557.80 is: 782,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,500.20 : 1,160,250.30 = 521,557.80 : x
  2. Step 2: Convert to fraction form
    773,500.20/1,160,250.30 = 521,557.80/x
  3. Step 3: Cross multiply
    773,500.20x = 1,160,250.30 × 521,557.80
  4. Step 4: Simplify right side
    773,500.20x = 605,137,593,917.34
  5. Step 5: Solve for x
    x = 605,137,593,917.34/773,500.20
  6. Step 6: Final answer
    x = 782,336.70

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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.