Home / 449,841.68-674,873.22-316,981.43

Finding the Fourth Proportional to 449,841.68, 674,873.22 and 316,981.43

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Solution

The fourth proportional to 449,841.68, 674,873.22 and 316,981.43 is: 475,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,841.68 : 674,873.22 = 316,981.43 : x
  2. Step 2: Convert to fraction form
    449,841.68/674,873.22 = 316,981.43/x
  3. Step 3: Cross multiply
    449,841.68x = 674,873.22 × 316,981.43
  4. Step 4: Simplify right side
    449,841.68x = 213,922,278,344.31
  5. Step 5: Solve for x
    x = 213,922,278,344.31/449,841.68
  6. Step 6: Final answer
    x = 475,550.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.