Home / 754,288.60-1,131,432.90-651,645.40

Finding the Fourth Proportional to 754,288.60, 1,131,432.90 and 651,645.40

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Solution

The fourth proportional to 754,288.60, 1,131,432.90 and 651,645.40 is: 977,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,288.60 : 1,131,432.90 = 651,645.40 : x
  2. Step 2: Convert to fraction form
    754,288.60/1,131,432.90 = 651,645.40/x
  3. Step 3: Cross multiply
    754,288.60x = 1,131,432.90 × 651,645.40
  4. Step 4: Simplify right side
    754,288.60x = 737,293,044,693.66
  5. Step 5: Solve for x
    x = 737,293,044,693.66/754,288.60
  6. Step 6: Final answer
    x = 977,468.10

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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.