Home / 971,190.30-1,340,179.92-541,444.80

Finding the Fourth Proportional to 971,190.30, 1,340,179.92 and 541,444.80

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Solution

The fourth proportional to 971,190.30, 1,340,179.92 and 541,444.80 is: 747,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,190.30 : 1,340,179.92 = 541,444.80 : x
  2. Step 2: Convert to fraction form
    971,190.30/1,340,179.92 = 541,444.80/x
  3. Step 3: Cross multiply
    971,190.30x = 1,340,179.92 × 541,444.80
  4. Step 4: Simplify right side
    971,190.30x = 725,633,448,748.42
  5. Step 5: Solve for x
    x = 725,633,448,748.42/971,190.30
  6. Step 6: Final answer
    x = 747,158.87

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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.