Home / 693,530.16-1,040,331.24-220,252.56

Finding the Fourth Proportional to 693,530.16, 1,040,331.24 and 220,252.56

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Solution

The fourth proportional to 693,530.16, 1,040,331.24 and 220,252.56 is: 330,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,530.16 : 1,040,331.24 = 220,252.56 : x
  2. Step 2: Convert to fraction form
    693,530.16/1,040,331.24 = 220,252.56/x
  3. Step 3: Cross multiply
    693,530.16x = 1,040,331.24 × 220,252.56
  4. Step 4: Simplify right side
    693,530.16x = 229,135,618,857.97
  5. Step 5: Solve for x
    x = 229,135,618,857.97/693,530.16
  6. Step 6: Final answer
    x = 330,390.27

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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.