Home / 454,217.28-626,819.88-263,341.44

Finding the Fourth Proportional to 454,217.28, 626,819.88 and 263,341.44

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Solution

The fourth proportional to 454,217.28, 626,819.88 and 263,341.44 is: 363,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,217.28 : 626,819.88 = 263,341.44 : x
  2. Step 2: Convert to fraction form
    454,217.28/626,819.88 = 263,341.44/x
  3. Step 3: Cross multiply
    454,217.28x = 626,819.88 × 263,341.44
  4. Step 4: Simplify right side
    454,217.28x = 165,067,649,819.83
  5. Step 5: Solve for x
    x = 165,067,649,819.83/454,217.28
  6. Step 6: Final answer
    x = 363,411.21

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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.