Home / 697,697.20-1,046,545.80-557,729.20

Finding the Fourth Proportional to 697,697.20, 1,046,545.80 and 557,729.20

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Solution

The fourth proportional to 697,697.20, 1,046,545.80 and 557,729.20 is: 836,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,697.20 : 1,046,545.80 = 557,729.20 : x
  2. Step 2: Convert to fraction form
    697,697.20/1,046,545.80 = 557,729.20/x
  3. Step 3: Cross multiply
    697,697.20x = 1,046,545.80 × 557,729.20
  4. Step 4: Simplify right side
    697,697.20x = 583,689,151,797.36
  5. Step 5: Solve for x
    x = 583,689,151,797.36/697,697.20
  6. Step 6: Final answer
    x = 836,593.80

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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.