Home / 957,791.66-1,321,761.04-528,087.20

Finding the Fourth Proportional to 957,791.66, 1,321,761.04 and 528,087.20

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Solution

The fourth proportional to 957,791.66, 1,321,761.04 and 528,087.20 is: 728,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,791.66 : 1,321,761.04 = 528,087.20 : x
  2. Step 2: Convert to fraction form
    957,791.66/1,321,761.04 = 528,087.20/x
  3. Step 3: Cross multiply
    957,791.66x = 1,321,761.04 × 528,087.20
  4. Step 4: Simplify right side
    957,791.66x = 698,005,078,753.67
  5. Step 5: Solve for x
    x = 698,005,078,753.67/957,791.66
  6. Step 6: Final answer
    x = 728,765.05

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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.