Home / 454,186.38-626,747.20-272,790.52

Finding the Fourth Proportional to 454,186.38, 626,747.20 and 272,790.52

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Solution

The fourth proportional to 454,186.38, 626,747.20 and 272,790.52 is: 376,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,186.38 : 626,747.20 = 272,790.52 : x
  2. Step 2: Convert to fraction form
    454,186.38/626,747.20 = 272,790.52/x
  3. Step 3: Cross multiply
    454,186.38x = 626,747.20 × 272,790.52
  4. Step 4: Simplify right side
    454,186.38x = 170,970,694,596.54
  5. Step 5: Solve for x
    x = 170,970,694,596.54/454,186.38
  6. Step 6: Final answer
    x = 376,432.90

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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.