Home / 396,582.36-547,080.91-253,191.70

Finding the Fourth Proportional to 396,582.36, 547,080.91 and 253,191.70

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Solution

The fourth proportional to 396,582.36, 547,080.91 and 253,191.70 is: 349,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,582.36 : 547,080.91 = 253,191.70 : x
  2. Step 2: Convert to fraction form
    396,582.36/547,080.91 = 253,191.70/x
  3. Step 3: Cross multiply
    396,582.36x = 547,080.91 × 253,191.70
  4. Step 4: Simplify right side
    396,582.36x = 138,516,345,640.45
  5. Step 5: Solve for x
    x = 138,516,345,640.45/396,582.36
  6. Step 6: Final answer
    x = 349,275.11

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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.