Home / 1,581,273.73-2,182,131.31-856,115.56

Finding the Fourth Proportional to 1,581,273.73, 2,182,131.31 and 856,115.56

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Solution

The fourth proportional to 1,581,273.73, 2,182,131.31 and 856,115.56 is: 1,181,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,273.73 : 2,182,131.31 = 856,115.56 : x
  2. Step 2: Convert to fraction form
    1,581,273.73/2,182,131.31 = 856,115.56/x
  3. Step 3: Cross multiply
    1,581,273.73x = 2,182,131.31 × 856,115.56
  4. Step 4: Simplify right side
    1,581,273.73x = 1,868,156,553,262.95
  5. Step 5: Solve for x
    x = 1,868,156,553,262.95/1,581,273.73
  6. Step 6: Final answer
    x = 1,181,425.15

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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.