Home / 767,517.40-1,151,175.30-235,091.80

Finding the Fourth Proportional to 767,517.40, 1,151,175.30 and 235,091.80

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Solution

The fourth proportional to 767,517.40, 1,151,175.30 and 235,091.80 is: 352,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,517.40 : 1,151,175.30 = 235,091.80 : x
  2. Step 2: Convert to fraction form
    767,517.40/1,151,175.30 = 235,091.80/x
  3. Step 3: Cross multiply
    767,517.40x = 1,151,175.30 × 235,091.80
  4. Step 4: Simplify right side
    767,517.40x = 270,631,873,392.54
  5. Step 5: Solve for x
    x = 270,631,873,392.54/767,517.40
  6. Step 6: Final answer
    x = 352,606.82

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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.