Home / 971,167.80-1,340,217.18-541,474.68

Finding the Fourth Proportional to 971,167.80, 1,340,217.18 and 541,474.68

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Solution

The fourth proportional to 971,167.80, 1,340,217.18 and 541,474.68 is: 747,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,167.80 : 1,340,217.18 = 541,474.68 : x
  2. Step 2: Convert to fraction form
    971,167.80/1,340,217.18 = 541,474.68/x
  3. Step 3: Cross multiply
    971,167.80x = 1,340,217.18 × 541,474.68
  4. Step 4: Simplify right side
    971,167.80x = 725,693,668,671.00
  5. Step 5: Solve for x
    x = 725,693,668,671.00/971,167.80
  6. Step 6: Final answer
    x = 747,238.19

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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.