Home / 755,127.60-1,132,691.40-697,390.80

Finding the Fourth Proportional to 755,127.60, 1,132,691.40 and 697,390.80

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Solution

The fourth proportional to 755,127.60, 1,132,691.40 and 697,390.80 is: 1,046,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,127.60 : 1,132,691.40 = 697,390.80 : x
  2. Step 2: Convert to fraction form
    755,127.60/1,132,691.40 = 697,390.80/x
  3. Step 3: Cross multiply
    755,127.60x = 1,132,691.40 × 697,390.80
  4. Step 4: Simplify right side
    755,127.60x = 789,928,561,599.12
  5. Step 5: Solve for x
    x = 789,928,561,599.12/755,127.60
  6. Step 6: Final answer
    x = 1,046,086.20

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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.