Home / 977,174.20-1,465,761.30-725,231.80

Finding the Fourth Proportional to 977,174.20, 1,465,761.30 and 725,231.80

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Solution

The fourth proportional to 977,174.20, 1,465,761.30 and 725,231.80 is: 1,087,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,174.20 : 1,465,761.30 = 725,231.80 : x
  2. Step 2: Convert to fraction form
    977,174.20/1,465,761.30 = 725,231.80/x
  3. Step 3: Cross multiply
    977,174.20x = 1,465,761.30 × 725,231.80
  4. Step 4: Simplify right side
    977,174.20x = 1,063,016,705,969.34
  5. Step 5: Solve for x
    x = 1,063,016,705,969.34/977,174.20
  6. Step 6: Final answer
    x = 1,087,847.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.