Home / 2,158,839.20-3,238,258.80-663,005.60

Finding the Fourth Proportional to 2,158,839.20, 3,238,258.80 and 663,005.60

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Solution

The fourth proportional to 2,158,839.20, 3,238,258.80 and 663,005.60 is: 994,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,839.20 : 3,238,258.80 = 663,005.60 : x
  2. Step 2: Convert to fraction form
    2,158,839.20/3,238,258.80 = 663,005.60/x
  3. Step 3: Cross multiply
    2,158,839.20x = 3,238,258.80 × 663,005.60
  4. Step 4: Simplify right side
    2,158,839.20x = 2,146,983,718,649.28
  5. Step 5: Solve for x
    x = 2,146,983,718,649.28/2,158,839.20
  6. Step 6: Final answer
    x = 994,508.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.