Home / 927,722.14-1,280,234.89-545,773.52

Finding the Fourth Proportional to 927,722.14, 1,280,234.89 and 545,773.52

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Solution

The fourth proportional to 927,722.14, 1,280,234.89 and 545,773.52 is: 753,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,722.14 : 1,280,234.89 = 545,773.52 : x
  2. Step 2: Convert to fraction form
    927,722.14/1,280,234.89 = 545,773.52/x
  3. Step 3: Cross multiply
    927,722.14x = 1,280,234.89 × 545,773.52
  4. Step 4: Simplify right side
    927,722.14x = 698,718,302,342.11
  5. Step 5: Solve for x
    x = 698,718,302,342.11/927,722.14
  6. Step 6: Final answer
    x = 753,154.71

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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.