Home / 667,712.54-1,001,605.29-169,080.86

Finding the Fourth Proportional to 667,712.54, 1,001,605.29 and 169,080.86

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Solution

The fourth proportional to 667,712.54, 1,001,605.29 and 169,080.86 is: 253,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,712.54 : 1,001,605.29 = 169,080.86 : x
  2. Step 2: Convert to fraction form
    667,712.54/1,001,605.29 = 169,080.86/x
  3. Step 3: Cross multiply
    667,712.54x = 1,001,605.29 × 169,080.86
  4. Step 4: Simplify right side
    667,712.54x = 169,352,283,813.75
  5. Step 5: Solve for x
    x = 169,352,283,813.75/667,712.54
  6. Step 6: Final answer
    x = 253,630.53

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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.