Home / 667,024.40-1,001,192.70-330,445.10

Finding the Fourth Proportional to 667,024.40, 1,001,192.70 and 330,445.10

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Solution

The fourth proportional to 667,024.40, 1,001,192.70 and 330,445.10 is: 495,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,024.40 : 1,001,192.70 = 330,445.10 : x
  2. Step 2: Convert to fraction form
    667,024.40/1,001,192.70 = 330,445.10/x
  3. Step 3: Cross multiply
    667,024.40x = 1,001,192.70 × 330,445.10
  4. Step 4: Simplify right side
    667,024.40x = 330,839,221,870.77
  5. Step 5: Solve for x
    x = 330,839,221,870.77/667,024.40
  6. Step 6: Final answer
    x = 495,992.68

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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.