Home / 927,411.28-1,391,144.33-791,619.21

Finding the Fourth Proportional to 927,411.28, 1,391,144.33 and 791,619.21

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Solution

The fourth proportional to 927,411.28, 1,391,144.33 and 791,619.21 is: 1,187,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,411.28 : 1,391,144.33 = 791,619.21 : x
  2. Step 2: Convert to fraction form
    927,411.28/1,391,144.33 = 791,619.21/x
  3. Step 3: Cross multiply
    927,411.28x = 1,391,144.33 × 791,619.21
  4. Step 4: Simplify right side
    927,411.28x = 1,101,256,577,489.63
  5. Step 5: Solve for x
    x = 1,101,256,577,489.63/927,411.28
  6. Step 6: Final answer
    x = 1,187,452.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.