Home / 886,471.38-1,231,589.43-875,842.56

Finding the Fourth Proportional to 886,471.38, 1,231,589.43 and 875,842.56

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Solution

The fourth proportional to 886,471.38, 1,231,589.43 and 875,842.56 is: 1,216,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,471.38 : 1,231,589.43 = 875,842.56 : x
  2. Step 2: Convert to fraction form
    886,471.38/1,231,589.43 = 875,842.56/x
  3. Step 3: Cross multiply
    886,471.38x = 1,231,589.43 × 875,842.56
  4. Step 4: Simplify right side
    886,471.38x = 1,078,678,439,240.14
  5. Step 5: Solve for x
    x = 1,078,678,439,240.14/886,471.38
  6. Step 6: Final answer
    x = 1,216,822.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.