Home / 499,796.11-689,735.20-273,441.71

Finding the Fourth Proportional to 499,796.11, 689,735.20 and 273,441.71

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Solution

The fourth proportional to 499,796.11, 689,735.20 and 273,441.71 is: 377,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,796.11 : 689,735.20 = 273,441.71 : x
  2. Step 2: Convert to fraction form
    499,796.11/689,735.20 = 273,441.71/x
  3. Step 3: Cross multiply
    499,796.11x = 689,735.20 × 273,441.71
  4. Step 4: Simplify right side
    499,796.11x = 188,602,371,167.98
  5. Step 5: Solve for x
    x = 188,602,371,167.98/499,796.11
  6. Step 6: Final answer
    x = 377,358.62

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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.