Home / 667,390.40-1,001,089.20-168,754.40

Finding the Fourth Proportional to 667,390.40, 1,001,089.20 and 168,754.40

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Solution

The fourth proportional to 667,390.40, 1,001,089.20 and 168,754.40 is: 253,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,390.40 : 1,001,089.20 = 168,754.40 : x
  2. Step 2: Convert to fraction form
    667,390.40/1,001,089.20 = 168,754.40/x
  3. Step 3: Cross multiply
    667,390.40x = 1,001,089.20 × 168,754.40
  4. Step 4: Simplify right side
    667,390.40x = 168,938,207,292.48
  5. Step 5: Solve for x
    x = 168,938,207,292.48/667,390.40
  6. Step 6: Final answer
    x = 253,132.51

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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.