Home / 403,823.28-557,044.92-252,657.84

Finding the Fourth Proportional to 403,823.28, 557,044.92 and 252,657.84

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Solution

The fourth proportional to 403,823.28, 557,044.92 and 252,657.84 is: 348,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,823.28 : 557,044.92 = 252,657.84 : x
  2. Step 2: Convert to fraction form
    403,823.28/557,044.92 = 252,657.84/x
  3. Step 3: Cross multiply
    403,823.28x = 557,044.92 × 252,657.84
  4. Step 4: Simplify right side
    403,823.28x = 140,741,766,270.17
  5. Step 5: Solve for x
    x = 140,741,766,270.17/403,823.28
  6. Step 6: Final answer
    x = 348,523.16

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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.