Home / 463,780.11-698,829.20-381,385.83

Finding the Fourth Proportional to 463,780.11, 698,829.20 and 381,385.83

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Solution

The fourth proportional to 463,780.11, 698,829.20 and 381,385.83 is: 574,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,780.11 : 698,829.20 = 381,385.83 : x
  2. Step 2: Convert to fraction form
    463,780.11/698,829.20 = 381,385.83/x
  3. Step 3: Cross multiply
    463,780.11x = 698,829.20 × 381,385.83
  4. Step 4: Simplify right side
    463,780.11x = 266,523,552,563.31
  5. Step 5: Solve for x
    x = 266,523,552,563.31/463,780.11
  6. Step 6: Final answer
    x = 574,676.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.