Home / 3,259,616.40-4,889,205.90-863,409.60

Finding the Fourth Proportional to 3,259,616.40, 4,889,205.90 and 863,409.60

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Solution

The fourth proportional to 3,259,616.40, 4,889,205.90 and 863,409.60 is: 1,295,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,616.40 : 4,889,205.90 = 863,409.60 : x
  2. Step 2: Convert to fraction form
    3,259,616.40/4,889,205.90 = 863,409.60/x
  3. Step 3: Cross multiply
    3,259,616.40x = 4,889,205.90 × 863,409.60
  4. Step 4: Simplify right side
    3,259,616.40x = 4,221,387,310,436.64
  5. Step 5: Solve for x
    x = 4,221,387,310,436.64/3,259,616.40
  6. Step 6: Final answer
    x = 1,295,056.47

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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.