Home / 499,616.64-689,487.39-273,262.14

Finding the Fourth Proportional to 499,616.64, 689,487.39 and 273,262.14

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Solution

The fourth proportional to 499,616.64, 689,487.39 and 273,262.14 is: 377,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,616.64 : 689,487.39 = 273,262.14 : x
  2. Step 2: Convert to fraction form
    499,616.64/689,487.39 = 273,262.14/x
  3. Step 3: Cross multiply
    499,616.64x = 689,487.39 × 273,262.14
  4. Step 4: Simplify right side
    499,616.64x = 188,410,799,694.42
  5. Step 5: Solve for x
    x = 188,410,799,694.42/499,616.64
  6. Step 6: Final answer
    x = 377,110.74

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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.