Home / 411,243.20-617,037.60-224,388.80

Finding the Fourth Proportional to 411,243.20, 617,037.60 and 224,388.80

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Solution

The fourth proportional to 411,243.20, 617,037.60 and 224,388.80 is: 336,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,243.20 : 617,037.60 = 224,388.80 : x
  2. Step 2: Convert to fraction form
    411,243.20/617,037.60 = 224,388.80/x
  3. Step 3: Cross multiply
    411,243.20x = 617,037.60 × 224,388.80
  4. Step 4: Simplify right side
    411,243.20x = 138,456,326,618.88
  5. Step 5: Solve for x
    x = 138,456,326,618.88/411,243.20
  6. Step 6: Final answer
    x = 336,677.49

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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.