Home / 1,156,171.71-1,731,932.45-649,974.15

Finding the Fourth Proportional to 1,156,171.71, 1,731,932.45 and 649,974.15

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Solution

The fourth proportional to 1,156,171.71, 1,731,932.45 and 649,974.15 is: 973,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,171.71 : 1,731,932.45 = 649,974.15 : x
  2. Step 2: Convert to fraction form
    1,156,171.71/1,731,932.45 = 649,974.15/x
  3. Step 3: Cross multiply
    1,156,171.71x = 1,731,932.45 × 649,974.15
  4. Step 4: Simplify right side
    1,156,171.71x = 1,125,711,318,796.30
  5. Step 5: Solve for x
    x = 1,125,711,318,796.30/1,156,171.71
  6. Step 6: Final answer
    x = 973,654.09

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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.