Home / 471,815.11-651,123.28-267,885.03

Finding the Fourth Proportional to 471,815.11, 651,123.28 and 267,885.03

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Solution

The fourth proportional to 471,815.11, 651,123.28 and 267,885.03 is: 369,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,815.11 : 651,123.28 = 267,885.03 : x
  2. Step 2: Convert to fraction form
    471,815.11/651,123.28 = 267,885.03/x
  3. Step 3: Cross multiply
    471,815.11x = 651,123.28 × 267,885.03
  4. Step 4: Simplify right side
    471,815.11x = 174,426,176,140.88
  5. Step 5: Solve for x
    x = 174,426,176,140.88/471,815.11
  6. Step 6: Final answer
    x = 369,691.80

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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.