Home / 925,337.80-1,388,006.70-818,432.20

Finding the Fourth Proportional to 925,337.80, 1,388,006.70 and 818,432.20

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Solution

The fourth proportional to 925,337.80, 1,388,006.70 and 818,432.20 is: 1,227,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,337.80 : 1,388,006.70 = 818,432.20 : x
  2. Step 2: Convert to fraction form
    925,337.80/1,388,006.70 = 818,432.20/x
  3. Step 3: Cross multiply
    925,337.80x = 1,388,006.70 × 818,432.20
  4. Step 4: Simplify right side
    925,337.80x = 1,135,989,377,095.74
  5. Step 5: Solve for x
    x = 1,135,989,377,095.74/925,337.80
  6. Step 6: Final answer
    x = 1,227,648.30

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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.