Home / 3,259,781.20-4,889,671.80-863,995.60

Finding the Fourth Proportional to 3,259,781.20, 4,889,671.80 and 863,995.60

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Solution

The fourth proportional to 3,259,781.20, 4,889,671.80 and 863,995.60 is: 1,295,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,781.20 : 4,889,671.80 = 863,995.60 : x
  2. Step 2: Convert to fraction form
    3,259,781.20/4,889,671.80 = 863,995.60/x
  3. Step 3: Cross multiply
    3,259,781.20x = 4,889,671.80 × 863,995.60
  4. Step 4: Simplify right side
    3,259,781.20x = 4,224,654,920,644.08
  5. Step 5: Solve for x
    x = 4,224,654,920,644.08/3,259,781.20
  6. Step 6: Final answer
    x = 1,295,993.40

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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.