Home / 767,162.20-1,151,132-511,169.76

Finding the Fourth Proportional to 767,162.20, 1,151,132 and 511,169.76

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Solution

The fourth proportional to 767,162.20, 1,151,132 and 511,169.76 is: 767,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,162.20 : 1,151,132 = 511,169.76 : x
  2. Step 2: Convert to fraction form
    767,162.20/1,151,132 = 511,169.76/x
  3. Step 3: Cross multiply
    767,162.20x = 1,151,132 × 511,169.76
  4. Step 4: Simplify right side
    767,162.20x = 588,423,868,168.32
  5. Step 5: Solve for x
    x = 588,423,868,168.32/767,162.20
  6. Step 6: Final answer
    x = 767,013.64

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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.