Home / 726,162.44-1,002,027.39-403,820.42

Finding the Fourth Proportional to 726,162.44, 1,002,027.39 and 403,820.42

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Solution

The fourth proportional to 726,162.44, 1,002,027.39 and 403,820.42 is: 557,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,162.44 : 1,002,027.39 = 403,820.42 : x
  2. Step 2: Convert to fraction form
    726,162.44/1,002,027.39 = 403,820.42/x
  3. Step 3: Cross multiply
    726,162.44x = 1,002,027.39 × 403,820.42
  4. Step 4: Simplify right side
    726,162.44x = 404,639,121,481.30
  5. Step 5: Solve for x
    x = 404,639,121,481.30/726,162.44
  6. Step 6: Final answer
    x = 557,229.48

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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.