Home / 493,975.41-681,689.34-267,620.91

Finding the Fourth Proportional to 493,975.41, 681,689.34 and 267,620.91

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Solution

The fourth proportional to 493,975.41, 681,689.34 and 267,620.91 is: 369,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,975.41 : 681,689.34 = 267,620.91 : x
  2. Step 2: Convert to fraction form
    493,975.41/681,689.34 = 267,620.91/x
  3. Step 3: Cross multiply
    493,975.41x = 681,689.34 × 267,620.91
  4. Step 4: Simplify right side
    493,975.41x = 182,434,321,508.10
  5. Step 5: Solve for x
    x = 182,434,321,508.10/493,975.41
  6. Step 6: Final answer
    x = 369,318.63

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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.