Home / 3,253,629.15-4,880,419.16-979,143.75

Finding the Fourth Proportional to 3,253,629.15, 4,880,419.16 and 979,143.75

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Solution

The fourth proportional to 3,253,629.15, 4,880,419.16 and 979,143.75 is: 1,468,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253,629.15 : 4,880,419.16 = 979,143.75 : x
  2. Step 2: Convert to fraction form
    3,253,629.15/4,880,419.16 = 979,143.75/x
  3. Step 3: Cross multiply
    3,253,629.15x = 4,880,419.16 × 979,143.75
  4. Step 4: Simplify right side
    3,253,629.15x = 4,778,631,912,998.53
  5. Step 5: Solve for x
    x = 4,778,631,912,998.53/3,253,629.15
  6. Step 6: Final answer
    x = 1,468,708.23

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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.