Home / 681,081.93-939,858.33-375,151.73

Finding the Fourth Proportional to 681,081.93, 939,858.33 and 375,151.73

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Solution

The fourth proportional to 681,081.93, 939,858.33 and 375,151.73 is: 517,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,081.93 : 939,858.33 = 375,151.73 : x
  2. Step 2: Convert to fraction form
    681,081.93/939,858.33 = 375,151.73/x
  3. Step 3: Cross multiply
    681,081.93x = 939,858.33 × 375,151.73
  4. Step 4: Simplify right side
    681,081.93x = 352,589,476,104.77
  5. Step 5: Solve for x
    x = 352,589,476,104.77/681,081.93
  6. Step 6: Final answer
    x = 517,690.25

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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.