Home / 1,639,402.66-2,262,371.27-914,251.20

Finding the Fourth Proportional to 1,639,402.66, 2,262,371.27 and 914,251.20

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Solution

The fourth proportional to 1,639,402.66, 2,262,371.27 and 914,251.20 is: 1,261,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,402.66 : 2,262,371.27 = 914,251.20 : x
  2. Step 2: Convert to fraction form
    1,639,402.66/2,262,371.27 = 914,251.20/x
  3. Step 3: Cross multiply
    1,639,402.66x = 2,262,371.27 × 914,251.20
  4. Step 4: Simplify right side
    1,639,402.66x = 2,068,375,648,443.02
  5. Step 5: Solve for x
    x = 2,068,375,648,443.02/1,639,402.66
  6. Step 6: Final answer
    x = 1,261,664.20

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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.