Home / 411,183.20-616,281.24-211,597.76

Finding the Fourth Proportional to 411,183.20, 616,281.24 and 211,597.76

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Solution

The fourth proportional to 411,183.20, 616,281.24 and 211,597.76 is: 317,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,183.20 : 616,281.24 = 211,597.76 : x
  2. Step 2: Convert to fraction form
    411,183.20/616,281.24 = 211,597.76/x
  3. Step 3: Cross multiply
    411,183.20x = 616,281.24 × 211,597.76
  4. Step 4: Simplify right side
    411,183.20x = 130,403,729,914.02
  5. Step 5: Solve for x
    x = 130,403,729,914.02/411,183.20
  6. Step 6: Final answer
    x = 317,142.65

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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.