Home / 669,067.22-923,313.79-363,143.71

Finding the Fourth Proportional to 669,067.22, 923,313.79 and 363,143.71

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Solution

The fourth proportional to 669,067.22, 923,313.79 and 363,143.71 is: 501,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,067.22 : 923,313.79 = 363,143.71 : x
  2. Step 2: Convert to fraction form
    669,067.22/923,313.79 = 363,143.71/x
  3. Step 3: Cross multiply
    669,067.22x = 923,313.79 × 363,143.71
  4. Step 4: Simplify right side
    669,067.22x = 335,295,597,356.97
  5. Step 5: Solve for x
    x = 335,295,597,356.97/669,067.22
  6. Step 6: Final answer
    x = 501,138.88

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1.5x scale

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.