Home / 755,605.20-1,134,027.45-749,700.30

Finding the Fourth Proportional to 755,605.20, 1,134,027.45 and 749,700.30

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Solution

The fourth proportional to 755,605.20, 1,134,027.45 and 749,700.30 is: 1,125,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,605.20 : 1,134,027.45 = 749,700.30 : x
  2. Step 2: Convert to fraction form
    755,605.20/1,134,027.45 = 749,700.30/x
  3. Step 3: Cross multiply
    755,605.20x = 1,134,027.45 × 749,700.30
  4. Step 4: Simplify right side
    755,605.20x = 850,180,719,473.24
  5. Step 5: Solve for x
    x = 850,180,719,473.24/755,605.20
  6. Step 6: Final answer
    x = 1,125,165.26

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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.