Home / 448,217.61-618,540.28-247,013.61

Finding the Fourth Proportional to 448,217.61, 618,540.28 and 247,013.61

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Solution

The fourth proportional to 448,217.61, 618,540.28 and 247,013.61 is: 340,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,217.61 : 618,540.28 = 247,013.61 : x
  2. Step 2: Convert to fraction form
    448,217.61/618,540.28 = 247,013.61/x
  3. Step 3: Cross multiply
    448,217.61x = 618,540.28 × 247,013.61
  4. Step 4: Simplify right side
    448,217.61x = 152,787,867,493.21
  5. Step 5: Solve for x
    x = 152,787,867,493.21/448,217.61
  6. Step 6: Final answer
    x = 340,878.77

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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.