Home / 971,198.80-1,340,191.65-541,453.30

Finding the Fourth Proportional to 971,198.80, 1,340,191.65 and 541,453.30

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Solution

The fourth proportional to 971,198.80, 1,340,191.65 and 541,453.30 is: 747,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,198.80 : 1,340,191.65 = 541,453.30 : x
  2. Step 2: Convert to fraction form
    971,198.80/1,340,191.65 = 541,453.30/x
  3. Step 3: Cross multiply
    971,198.80x = 1,340,191.65 × 541,453.30
  4. Step 4: Simplify right side
    971,198.80x = 725,651,191,524.95
  5. Step 5: Solve for x
    x = 725,651,191,524.95/971,198.80
  6. Step 6: Final answer
    x = 747,170.60

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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.