Home / 741,729.18-1,023,414.57-500,459.34

Finding the Fourth Proportional to 741,729.18, 1,023,414.57 and 500,459.34

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Solution

The fourth proportional to 741,729.18, 1,023,414.57 and 500,459.34 is: 690,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,729.18 : 1,023,414.57 = 500,459.34 : x
  2. Step 2: Convert to fraction form
    741,729.18/1,023,414.57 = 500,459.34/x
  3. Step 3: Cross multiply
    741,729.18x = 1,023,414.57 × 500,459.34
  4. Step 4: Simplify right side
    741,729.18x = 512,177,380,248.58
  5. Step 5: Solve for x
    x = 512,177,380,248.58/741,729.18
  6. Step 6: Final answer
    x = 690,518.04

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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.