Home / 971,199.80-1,340,193.03-541,454.30

Finding the Fourth Proportional to 971,199.80, 1,340,193.03 and 541,454.30

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Solution

The fourth proportional to 971,199.80, 1,340,193.03 and 541,454.30 is: 747,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,199.80 : 1,340,193.03 = 541,454.30 : x
  2. Step 2: Convert to fraction form
    971,199.80/1,340,193.03 = 541,454.30/x
  3. Step 3: Cross multiply
    971,199.80x = 1,340,193.03 × 541,454.30
  4. Step 4: Simplify right side
    971,199.80x = 725,653,278,923.53
  5. Step 5: Solve for x
    x = 725,653,278,923.53/971,199.80
  6. Step 6: Final answer
    x = 747,171.98

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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.