Home / 765,102.30-1,147,653.45-632,132.70

Finding the Fourth Proportional to 765,102.30, 1,147,653.45 and 632,132.70

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Solution

The fourth proportional to 765,102.30, 1,147,653.45 and 632,132.70 is: 948,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,102.30 : 1,147,653.45 = 632,132.70 : x
  2. Step 2: Convert to fraction form
    765,102.30/1,147,653.45 = 632,132.70/x
  3. Step 3: Cross multiply
    765,102.30x = 1,147,653.45 × 632,132.70
  4. Step 4: Simplify right side
    765,102.30x = 725,469,274,012.82
  5. Step 5: Solve for x
    x = 725,469,274,012.82/765,102.30
  6. Step 6: Final answer
    x = 948,199.05

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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.