Home / 441,631.20-609,453.36-240,428.64

Finding the Fourth Proportional to 441,631.20, 609,453.36 and 240,428.64

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Solution

The fourth proportional to 441,631.20, 609,453.36 and 240,428.64 is: 331,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,631.20 : 609,453.36 = 240,428.64 : x
  2. Step 2: Convert to fraction form
    441,631.20/609,453.36 = 240,428.64/x
  3. Step 3: Cross multiply
    441,631.20x = 609,453.36 × 240,428.64
  4. Step 4: Simplify right side
    441,631.20x = 146,530,042,488.23
  5. Step 5: Solve for x
    x = 146,530,042,488.23/441,631.20
  6. Step 6: Final answer
    x = 331,792.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.