Home / 1,117,651.11-1,676,517.41-398,045.75

Finding the Fourth Proportional to 1,117,651.11, 1,676,517.41 and 398,045.75

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Solution

The fourth proportional to 1,117,651.11, 1,676,517.41 and 398,045.75 is: 597,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,651.11 : 1,676,517.41 = 398,045.75 : x
  2. Step 2: Convert to fraction form
    1,117,651.11/1,676,517.41 = 398,045.75/x
  3. Step 3: Cross multiply
    1,117,651.11x = 1,676,517.41 × 398,045.75
  4. Step 4: Simplify right side
    1,117,651.11x = 667,330,619,478.69
  5. Step 5: Solve for x
    x = 667,330,619,478.69/1,117,651.11
  6. Step 6: Final answer
    x = 597,083.13

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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.