Home / 3,158,177.79-4,737,222.68-762,002.31

Finding the Fourth Proportional to 3,158,177.79, 4,737,222.68 and 762,002.31

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Solution

The fourth proportional to 3,158,177.79, 4,737,222.68 and 762,002.31 is: 1,142,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,177.79 : 4,737,222.68 = 762,002.31 : x
  2. Step 2: Convert to fraction form
    3,158,177.79/4,737,222.68 = 762,002.31/x
  3. Step 3: Cross multiply
    3,158,177.79x = 4,737,222.68 × 762,002.31
  4. Step 4: Simplify right side
    3,158,177.79x = 3,609,774,621,334.38
  5. Step 5: Solve for x
    x = 3,609,774,621,334.38/3,158,177.79
  6. Step 6: Final answer
    x = 1,142,992.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.