Home / 813,799-1,123,056.12-451,238.14

Finding the Fourth Proportional to 813,799, 1,123,056.12 and 451,238.14

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Solution

The fourth proportional to 813,799, 1,123,056.12 and 451,238.14 is: 622,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,799 : 1,123,056.12 = 451,238.14 : x
  2. Step 2: Convert to fraction form
    813,799/1,123,056.12 = 451,238.14/x
  3. Step 3: Cross multiply
    813,799x = 1,123,056.12 × 451,238.14
  4. Step 4: Simplify right side
    813,799x = 506,765,754,704.42
  5. Step 5: Solve for x
    x = 506,765,754,704.42/813,799
  6. Step 6: Final answer
    x = 622,716.12

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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.