Home / 927,115.17-1,279,358.03-519,123.48

Finding the Fourth Proportional to 927,115.17, 1,279,358.03 and 519,123.48

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Solution

The fourth proportional to 927,115.17, 1,279,358.03 and 519,123.48 is: 716,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,115.17 : 1,279,358.03 = 519,123.48 : x
  2. Step 2: Convert to fraction form
    927,115.17/1,279,358.03 = 519,123.48/x
  3. Step 3: Cross multiply
    927,115.17x = 1,279,358.03 × 519,123.48
  4. Step 4: Simplify right side
    927,115.17x = 664,144,790,103.93
  5. Step 5: Solve for x
    x = 664,144,790,103.93/927,115.17
  6. Step 6: Final answer
    x = 716,356.30

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1.5x scale

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.