Home / 1,639,231.83-2,262,147.14-914,077.31

Finding the Fourth Proportional to 1,639,231.83, 2,262,147.14 and 914,077.31

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Solution

The fourth proportional to 1,639,231.83, 2,262,147.14 and 914,077.31 is: 1,261,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,231.83 : 2,262,147.14 = 914,077.31 : x
  2. Step 2: Convert to fraction form
    1,639,231.83/2,262,147.14 = 914,077.31/x
  3. Step 3: Cross multiply
    1,639,231.83x = 2,262,147.14 × 914,077.31
  4. Step 4: Simplify right side
    1,639,231.83x = 2,067,777,363,529.85
  5. Step 5: Solve for x
    x = 2,067,777,363,529.85/1,639,231.83
  6. Step 6: Final answer
    x = 1,261,430.71

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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.