Home / 1,198,200.82-1,796,801.55-487,746.58

Finding the Fourth Proportional to 1,198,200.82, 1,796,801.55 and 487,746.58

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Solution

The fourth proportional to 1,198,200.82, 1,796,801.55 and 487,746.58 is: 731,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,200.82 : 1,796,801.55 = 487,746.58 : x
  2. Step 2: Convert to fraction form
    1,198,200.82/1,796,801.55 = 487,746.58/x
  3. Step 3: Cross multiply
    1,198,200.82x = 1,796,801.55 × 487,746.58
  4. Step 4: Simplify right side
    1,198,200.82x = 876,383,810,951.20
  5. Step 5: Solve for x
    x = 876,383,810,951.20/1,198,200.82
  6. Step 6: Final answer
    x = 731,416.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.