Home / 927,412.93-1,279,843.09-540,218.25

Finding the Fourth Proportional to 927,412.93, 1,279,843.09 and 540,218.25

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Solution

The fourth proportional to 927,412.93, 1,279,843.09 and 540,218.25 is: 745,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,412.93 : 1,279,843.09 = 540,218.25 : x
  2. Step 2: Convert to fraction form
    927,412.93/1,279,843.09 = 540,218.25/x
  3. Step 3: Cross multiply
    927,412.93x = 1,279,843.09 × 540,218.25
  4. Step 4: Simplify right side
    927,412.93x = 691,394,591,583.90
  5. Step 5: Solve for x
    x = 691,394,591,583.90/927,412.93
  6. Step 6: Final answer
    x = 745,508.90

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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.