Home / 695,112.56-1,042,650.60-221,826.80

Finding the Fourth Proportional to 695,112.56, 1,042,650.60 and 221,826.80

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Solution

The fourth proportional to 695,112.56, 1,042,650.60 and 221,826.80 is: 332,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,112.56 : 1,042,650.60 = 221,826.80 : x
  2. Step 2: Convert to fraction form
    695,112.56/1,042,650.60 = 221,826.80/x
  3. Step 3: Cross multiply
    695,112.56x = 1,042,650.60 × 221,826.80
  4. Step 4: Simplify right side
    695,112.56x = 231,287,846,116.08
  5. Step 5: Solve for x
    x = 231,287,846,116.08/695,112.56
  6. Step 6: Final answer
    x = 332,734.38

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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.