Home / 403,789.28-557,229.22-234,121.82

Finding the Fourth Proportional to 403,789.28, 557,229.22 and 234,121.82

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Solution

The fourth proportional to 403,789.28, 557,229.22 and 234,121.82 is: 323,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,789.28 : 557,229.22 = 234,121.82 : x
  2. Step 2: Convert to fraction form
    403,789.28/557,229.22 = 234,121.82/x
  3. Step 3: Cross multiply
    403,789.28x = 557,229.22 × 234,121.82
  4. Step 4: Simplify right side
    403,789.28x = 130,459,519,143.58
  5. Step 5: Solve for x
    x = 130,459,519,143.58/403,789.28
  6. Step 6: Final answer
    x = 323,088.12

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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.