Home / 681,093.20-1,021,747.80-231,856.40

Finding the Fourth Proportional to 681,093.20, 1,021,747.80 and 231,856.40

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Solution

The fourth proportional to 681,093.20, 1,021,747.80 and 231,856.40 is: 347,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,093.20 : 1,021,747.80 = 231,856.40 : x
  2. Step 2: Convert to fraction form
    681,093.20/1,021,747.80 = 231,856.40/x
  3. Step 3: Cross multiply
    681,093.20x = 1,021,747.80 × 231,856.40
  4. Step 4: Simplify right side
    681,093.20x = 236,898,766,615.92
  5. Step 5: Solve for x
    x = 236,898,766,615.92/681,093.20
  6. Step 6: Final answer
    x = 347,821.37

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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.