Home / 853,357.74-1,177,669.44-490,781.85

Finding the Fourth Proportional to 853,357.74, 1,177,669.44 and 490,781.85

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Solution

The fourth proportional to 853,357.74, 1,177,669.44 and 490,781.85 is: 677,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,357.74 : 1,177,669.44 = 490,781.85 : x
  2. Step 2: Convert to fraction form
    853,357.74/1,177,669.44 = 490,781.85/x
  3. Step 3: Cross multiply
    853,357.74x = 1,177,669.44 × 490,781.85
  4. Step 4: Simplify right side
    853,357.74x = 577,978,778,109.41
  5. Step 5: Solve for x
    x = 577,978,778,109.41/853,357.74
  6. Step 6: Final answer
    x = 677,299.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.