Home / 494,073.76-681,824.16-267,719.68

Finding the Fourth Proportional to 494,073.76, 681,824.16 and 267,719.68

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Solution

The fourth proportional to 494,073.76, 681,824.16 and 267,719.68 is: 369,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,073.76 : 681,824.16 = 267,719.68 : x
  2. Step 2: Convert to fraction form
    494,073.76/681,824.16 = 267,719.68/x
  3. Step 3: Cross multiply
    494,073.76x = 681,824.16 × 267,719.68
  4. Step 4: Simplify right side
    494,073.76x = 182,537,745,931.47
  5. Step 5: Solve for x
    x = 182,537,745,931.47/494,073.76
  6. Step 6: Final answer
    x = 369,454.44

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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.