Home / 680,632.38-1,021,059.27-231,393.42

Finding the Fourth Proportional to 680,632.38, 1,021,059.27 and 231,393.42

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Solution

The fourth proportional to 680,632.38, 1,021,059.27 and 231,393.42 is: 347,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,632.38 : 1,021,059.27 = 231,393.42 : x
  2. Step 2: Convert to fraction form
    680,632.38/1,021,059.27 = 231,393.42/x
  3. Step 3: Cross multiply
    680,632.38x = 1,021,059.27 × 231,393.42
  4. Step 4: Simplify right side
    680,632.38x = 236,266,396,508.00
  5. Step 5: Solve for x
    x = 236,266,396,508.00/680,632.38
  6. Step 6: Final answer
    x = 347,127.76

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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.