Home / 741,227.30-1,023,003.36-469,320.42

Finding the Fourth Proportional to 741,227.30, 1,023,003.36 and 469,320.42

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Solution

The fourth proportional to 741,227.30, 1,023,003.36 and 469,320.42 is: 647,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,227.30 : 1,023,003.36 = 469,320.42 : x
  2. Step 2: Convert to fraction form
    741,227.30/1,023,003.36 = 469,320.42/x
  3. Step 3: Cross multiply
    741,227.30x = 1,023,003.36 × 469,320.42
  4. Step 4: Simplify right side
    741,227.30x = 480,116,366,576.61
  5. Step 5: Solve for x
    x = 480,116,366,576.61/741,227.30
  6. Step 6: Final answer
    x = 647,731.63

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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.