Home / 447,146.20-669,874.41-264,231.38

Finding the Fourth Proportional to 447,146.20, 669,874.41 and 264,231.38

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Solution

The fourth proportional to 447,146.20, 669,874.41 and 264,231.38 is: 395,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,146.20 : 669,874.41 = 264,231.38 : x
  2. Step 2: Convert to fraction form
    447,146.20/669,874.41 = 264,231.38/x
  3. Step 3: Cross multiply
    447,146.20x = 669,874.41 × 264,231.38
  4. Step 4: Simplify right side
    447,146.20x = 177,001,839,780.99
  5. Step 5: Solve for x
    x = 177,001,839,780.99/447,146.20
  6. Step 6: Final answer
    x = 395,847.80

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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.