Home / 1,246,859.36-1,719,517.71-787,175.18

Finding the Fourth Proportional to 1,246,859.36, 1,719,517.71 and 787,175.18

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Solution

The fourth proportional to 1,246,859.36, 1,719,517.71 and 787,175.18 is: 1,085,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,859.36 : 1,719,517.71 = 787,175.18 : x
  2. Step 2: Convert to fraction form
    1,246,859.36/1,719,517.71 = 787,175.18/x
  3. Step 3: Cross multiply
    1,246,859.36x = 1,719,517.71 × 787,175.18
  4. Step 4: Simplify right side
    1,246,859.36x = 1,353,561,663,684.95
  5. Step 5: Solve for x
    x = 1,353,561,663,684.95/1,246,859.36
  6. Step 6: Final answer
    x = 1,085,576.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.