Home / 914,074.20-1,260,107.82-641,296.98

Finding the Fourth Proportional to 914,074.20, 1,260,107.82 and 641,296.98

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Solution

The fourth proportional to 914,074.20, 1,260,107.82 and 641,296.98 is: 884,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,074.20 : 1,260,107.82 = 641,296.98 : x
  2. Step 2: Convert to fraction form
    914,074.20/1,260,107.82 = 641,296.98/x
  3. Step 3: Cross multiply
    914,074.20x = 1,260,107.82 × 641,296.98
  4. Step 4: Simplify right side
    914,074.20x = 808,103,339,440.38
  5. Step 5: Solve for x
    x = 808,103,339,440.38/914,074.20
  6. Step 6: Final answer
    x = 884,067.55

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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.