Home / 667,025.40-1,001,194.20-330,446.10

Finding the Fourth Proportional to 667,025.40, 1,001,194.20 and 330,446.10

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Solution

The fourth proportional to 667,025.40, 1,001,194.20 and 330,446.10 is: 495,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,025.40 : 1,001,194.20 = 330,446.10 : x
  2. Step 2: Convert to fraction form
    667,025.40/1,001,194.20 = 330,446.10/x
  3. Step 3: Cross multiply
    667,025.40x = 1,001,194.20 × 330,446.10
  4. Step 4: Simplify right side
    667,025.40x = 330,840,718,732.62
  5. Step 5: Solve for x
    x = 330,840,718,732.62/667,025.40
  6. Step 6: Final answer
    x = 495,994.18

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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.