Home / 447,016.29-616,883.22-243,067.02

Finding the Fourth Proportional to 447,016.29, 616,883.22 and 243,067.02

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Solution

The fourth proportional to 447,016.29, 616,883.22 and 243,067.02 is: 335,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,016.29 : 616,883.22 = 243,067.02 : x
  2. Step 2: Convert to fraction form
    447,016.29/616,883.22 = 243,067.02/x
  3. Step 3: Cross multiply
    447,016.29x = 616,883.22 × 243,067.02
  4. Step 4: Simplify right side
    447,016.29x = 149,943,965,973.40
  5. Step 5: Solve for x
    x = 149,943,965,973.40/447,016.29
  6. Step 6: Final answer
    x = 335,432.89

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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.