Home / 447,072.78-616,963.38-243,125.92

Finding the Fourth Proportional to 447,072.78, 616,963.38 and 243,125.92

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Solution

The fourth proportional to 447,072.78, 616,963.38 and 243,125.92 is: 335,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,072.78 : 616,963.38 = 243,125.92 : x
  2. Step 2: Convert to fraction form
    447,072.78/616,963.38 = 243,125.92/x
  3. Step 3: Cross multiply
    447,072.78x = 616,963.38 × 243,125.92
  4. Step 4: Simplify right side
    447,072.78x = 149,999,790,595.88
  5. Step 5: Solve for x
    x = 149,999,790,595.88/447,072.78
  6. Step 6: Final answer
    x = 335,515.37

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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.