Home / 1,639,407.29-2,262,377.66-914,255.82

Finding the Fourth Proportional to 1,639,407.29, 2,262,377.66 and 914,255.82

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Solution

The fourth proportional to 1,639,407.29, 2,262,377.66 and 914,255.82 is: 1,261,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,407.29 : 2,262,377.66 = 914,255.82 : x
  2. Step 2: Convert to fraction form
    1,639,407.29/2,262,377.66 = 914,255.82/x
  3. Step 3: Cross multiply
    1,639,407.29x = 2,262,377.66 × 914,255.82
  4. Step 4: Simplify right side
    1,639,407.29x = 2,068,391,938,121.70
  5. Step 5: Solve for x
    x = 2,068,391,938,121.70/1,639,407.29
  6. Step 6: Final answer
    x = 1,261,670.58

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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.