Home / 927,150.48-1,279,321.51-540,029.61

Finding the Fourth Proportional to 927,150.48, 1,279,321.51 and 540,029.61

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Solution

The fourth proportional to 927,150.48, 1,279,321.51 and 540,029.61 is: 745,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,150.48 : 1,279,321.51 = 540,029.61 : x
  2. Step 2: Convert to fraction form
    927,150.48/1,279,321.51 = 540,029.61/x
  3. Step 3: Cross multiply
    927,150.48x = 1,279,321.51 × 540,029.61
  4. Step 4: Simplify right side
    927,150.48x = 690,871,487,013.16
  5. Step 5: Solve for x
    x = 690,871,487,013.16/927,150.48
  6. Step 6: Final answer
    x = 745,155.73

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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.