Home / 667,478.88-1,001,209.14-162,043.74

Finding the Fourth Proportional to 667,478.88, 1,001,209.14 and 162,043.74

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Solution

The fourth proportional to 667,478.88, 1,001,209.14 and 162,043.74 is: 243,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,478.88 : 1,001,209.14 = 162,043.74 : x
  2. Step 2: Convert to fraction form
    667,478.88/1,001,209.14 = 162,043.74/x
  3. Step 3: Cross multiply
    667,478.88x = 1,001,209.14 × 162,043.74
  4. Step 4: Simplify right side
    667,478.88x = 162,239,673,567.78
  5. Step 5: Solve for x
    x = 162,239,673,567.78/667,478.88
  6. Step 6: Final answer
    x = 243,063.38

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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.