Home / 1,639,391.27-2,262,355.56-914,239.82

Finding the Fourth Proportional to 1,639,391.27, 2,262,355.56 and 914,239.82

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Solution

The fourth proportional to 1,639,391.27, 2,262,355.56 and 914,239.82 is: 1,261,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,391.27 : 2,262,355.56 = 914,239.82 : x
  2. Step 2: Convert to fraction form
    1,639,391.27/2,262,355.56 = 914,239.82/x
  3. Step 3: Cross multiply
    1,639,391.27x = 2,262,355.56 × 914,239.82
  4. Step 4: Simplify right side
    1,639,391.27x = 2,068,335,539,950.40
  5. Step 5: Solve for x
    x = 2,068,335,539,950.40/1,639,391.27
  6. Step 6: Final answer
    x = 1,261,648.50

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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.