Home / 1,192,640.16-1,645,795.92-648,776.64

Finding the Fourth Proportional to 1,192,640.16, 1,645,795.92 and 648,776.64

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Solution

The fourth proportional to 1,192,640.16, 1,645,795.92 and 648,776.64 is: 895,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,640.16 : 1,645,795.92 = 648,776.64 : x
  2. Step 2: Convert to fraction form
    1,192,640.16/1,645,795.92 = 648,776.64/x
  3. Step 3: Cross multiply
    1,192,640.16x = 1,645,795.92 × 648,776.64
  4. Step 4: Simplify right side
    1,192,640.16x = 1,067,753,947,103.31
  5. Step 5: Solve for x
    x = 1,067,753,947,103.31/1,192,640.16
  6. Step 6: Final answer
    x = 895,285.92

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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.