Home / 971,113.62-1,340,138.61-541,385.13

Finding the Fourth Proportional to 971,113.62, 1,340,138.61 and 541,385.13

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Solution

The fourth proportional to 971,113.62, 1,340,138.61 and 541,385.13 is: 747,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,113.62 : 1,340,138.61 = 541,385.13 : x
  2. Step 2: Convert to fraction form
    971,113.62/1,340,138.61 = 541,385.13/x
  3. Step 3: Cross multiply
    971,113.62x = 1,340,138.61 × 541,385.13
  4. Step 4: Simplify right side
    971,113.62x = 725,531,115,592.87
  5. Step 5: Solve for x
    x = 725,531,115,592.87/971,113.62
  6. Step 6: Final answer
    x = 747,112.49

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Double scale
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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.