Home / 1,317,451.38-1,818,084.18-713,839.38

Finding the Fourth Proportional to 1,317,451.38, 1,818,084.18 and 713,839.38

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Solution

The fourth proportional to 1,317,451.38, 1,818,084.18 and 713,839.38 is: 985,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,451.38 : 1,818,084.18 = 713,839.38 : x
  2. Step 2: Convert to fraction form
    1,317,451.38/1,818,084.18 = 713,839.38/x
  3. Step 3: Cross multiply
    1,317,451.38x = 1,818,084.18 × 713,839.38
  4. Step 4: Simplify right side
    1,317,451.38x = 1,297,820,083,839.01
  5. Step 5: Solve for x
    x = 1,297,820,083,839.01/1,317,451.38
  6. Step 6: Final answer
    x = 985,099.04

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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.