Home / 693,104.40-1,039,138.20-377,917.20

Finding the Fourth Proportional to 693,104.40, 1,039,138.20 and 377,917.20

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Solution

The fourth proportional to 693,104.40, 1,039,138.20 and 377,917.20 is: 566,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,104.40 : 1,039,138.20 = 377,917.20 : x
  2. Step 2: Convert to fraction form
    693,104.40/1,039,138.20 = 377,917.20/x
  3. Step 3: Cross multiply
    693,104.40x = 1,039,138.20 × 377,917.20
  4. Step 4: Simplify right side
    693,104.40x = 392,708,198,957.04
  5. Step 5: Solve for x
    x = 392,708,198,957.04/693,104.40
  6. Step 6: Final answer
    x = 566,593.14

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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.