Home / 681,834.74-1,022,792.43-208,552.82

Finding the Fourth Proportional to 681,834.74, 1,022,792.43 and 208,552.82

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Solution

The fourth proportional to 681,834.74, 1,022,792.43 and 208,552.82 is: 312,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,834.74 : 1,022,792.43 = 208,552.82 : x
  2. Step 2: Convert to fraction form
    681,834.74/1,022,792.43 = 208,552.82/x
  3. Step 3: Cross multiply
    681,834.74x = 1,022,792.43 × 208,552.82
  4. Step 4: Simplify right side
    681,834.74x = 213,306,245,551.15
  5. Step 5: Solve for x
    x = 213,306,245,551.15/681,834.74
  6. Step 6: Final answer
    x = 312,841.56

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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.