Home / 773,602.20-1,160,403.30-521,659.80

Finding the Fourth Proportional to 773,602.20, 1,160,403.30 and 521,659.80

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Solution

The fourth proportional to 773,602.20, 1,160,403.30 and 521,659.80 is: 782,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,602.20 : 1,160,403.30 = 521,659.80 : x
  2. Step 2: Convert to fraction form
    773,602.20/1,160,403.30 = 521,659.80/x
  3. Step 3: Cross multiply
    773,602.20x = 1,160,403.30 × 521,659.80
  4. Step 4: Simplify right side
    773,602.20x = 605,335,753,397.34
  5. Step 5: Solve for x
    x = 605,335,753,397.34/773,602.20
  6. Step 6: Final answer
    x = 782,489.70

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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.