Home / 681,925.22-1,022,850.72-208,610.58

Finding the Fourth Proportional to 681,925.22, 1,022,850.72 and 208,610.58

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Solution

The fourth proportional to 681,925.22, 1,022,850.72 and 208,610.58 is: 312,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,925.22 : 1,022,850.72 = 208,610.58 : x
  2. Step 2: Convert to fraction form
    681,925.22/1,022,850.72 = 208,610.58/x
  3. Step 3: Cross multiply
    681,925.22x = 1,022,850.72 × 208,610.58
  4. Step 4: Simplify right side
    681,925.22x = 213,377,481,952.62
  5. Step 5: Solve for x
    x = 213,377,481,952.62/681,925.22
  6. Step 6: Final answer
    x = 312,904.52

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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.