Home / 462,949.85-638,888.97-271,961.57

Finding the Fourth Proportional to 462,949.85, 638,888.97 and 271,961.57

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Solution

The fourth proportional to 462,949.85, 638,888.97 and 271,961.57 is: 375,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,949.85 : 638,888.97 = 271,961.57 : x
  2. Step 2: Convert to fraction form
    462,949.85/638,888.97 = 271,961.57/x
  3. Step 3: Cross multiply
    462,949.85x = 638,888.97 × 271,961.57
  4. Step 4: Simplify right side
    462,949.85x = 173,753,244,142.44
  5. Step 5: Solve for x
    x = 173,753,244,142.44/462,949.85
  6. Step 6: Final answer
    x = 375,317.64

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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.