Home / 493,976.22-681,687.90-267,621.72

Finding the Fourth Proportional to 493,976.22, 681,687.90 and 267,621.72

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Solution

The fourth proportional to 493,976.22, 681,687.90 and 267,621.72 is: 369,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,976.22 : 681,687.90 = 267,621.72 : x
  2. Step 2: Convert to fraction form
    493,976.22/681,687.90 = 267,621.72/x
  3. Step 3: Cross multiply
    493,976.22x = 681,687.90 × 267,621.72
  4. Step 4: Simplify right side
    493,976.22x = 182,434,488,301.19
  5. Step 5: Solve for x
    x = 182,434,488,301.19/493,976.22
  6. Step 6: Final answer
    x = 369,318.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.