Home / 971,168.08-1,340,212.78-541,439.59

Finding the Fourth Proportional to 971,168.08, 1,340,212.78 and 541,439.59

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Solution

The fourth proportional to 971,168.08, 1,340,212.78 and 541,439.59 is: 747,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,168.08 : 1,340,212.78 = 541,439.59 : x
  2. Step 2: Convert to fraction form
    971,168.08/1,340,212.78 = 541,439.59/x
  3. Step 3: Cross multiply
    971,168.08x = 1,340,212.78 × 541,439.59
  4. Step 4: Simplify right side
    971,168.08x = 725,644,251,414.90
  5. Step 5: Solve for x
    x = 725,644,251,414.90/971,168.08
  6. Step 6: Final answer
    x = 747,187.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.