Home / 971,191.30-1,340,181.30-541,445.80

Finding the Fourth Proportional to 971,191.30, 1,340,181.30 and 541,445.80

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Solution

The fourth proportional to 971,191.30, 1,340,181.30 and 541,445.80 is: 747,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,191.30 : 1,340,181.30 = 541,445.80 : x
  2. Step 2: Convert to fraction form
    971,191.30/1,340,181.30 = 541,445.80/x
  3. Step 3: Cross multiply
    971,191.30x = 1,340,181.30 × 541,445.80
  4. Step 4: Simplify right side
    971,191.30x = 725,635,536,123.54
  5. Step 5: Solve for x
    x = 725,635,536,123.54/971,191.30
  6. Step 6: Final answer
    x = 747,160.25

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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.