Home / 448,137.97-618,422.38-244,190.66

Finding the Fourth Proportional to 448,137.97, 618,422.38 and 244,190.66

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Solution

The fourth proportional to 448,137.97, 618,422.38 and 244,190.66 is: 336,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,137.97 : 618,422.38 = 244,190.66 : x
  2. Step 2: Convert to fraction form
    448,137.97/618,422.38 = 244,190.66/x
  3. Step 3: Cross multiply
    448,137.97x = 618,422.38 × 244,190.66
  4. Step 4: Simplify right side
    448,137.97x = 151,012,965,428.38
  5. Step 5: Solve for x
    x = 151,012,965,428.38/448,137.97
  6. Step 6: Final answer
    x = 336,978.74

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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.