Home / 927,081.24-1,279,266.36-519,126.36

Finding the Fourth Proportional to 927,081.24, 1,279,266.36 and 519,126.36

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Solution

The fourth proportional to 927,081.24, 1,279,266.36 and 519,126.36 is: 716,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,081.24 : 1,279,266.36 = 519,126.36 : x
  2. Step 2: Convert to fraction form
    927,081.24/1,279,266.36 = 519,126.36/x
  3. Step 3: Cross multiply
    927,081.24x = 1,279,266.36 × 519,126.36
  4. Step 4: Simplify right side
    927,081.24x = 664,100,888,937.25
  5. Step 5: Solve for x
    x = 664,100,888,937.25/927,081.24
  6. Step 6: Final answer
    x = 716,335.16

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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.