Home / 3,258,983.20-4,888,474.80-863,197.60

Finding the Fourth Proportional to 3,258,983.20, 4,888,474.80 and 863,197.60

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Solution

The fourth proportional to 3,258,983.20, 4,888,474.80 and 863,197.60 is: 1,294,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,983.20 : 4,888,474.80 = 863,197.60 : x
  2. Step 2: Convert to fraction form
    3,258,983.20/4,888,474.80 = 863,197.60/x
  3. Step 3: Cross multiply
    3,258,983.20x = 4,888,474.80 × 863,197.60
  4. Step 4: Simplify right side
    3,258,983.20x = 4,219,719,715,020.48
  5. Step 5: Solve for x
    x = 4,219,719,715,020.48/3,258,983.20
  6. Step 6: Final answer
    x = 1,294,796.40

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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.