Home / 4,313,146.20-6,468,611.70-1,279,794.60

Finding the Fourth Proportional to 4,313,146.20, 6,468,611.70 and 1,279,794.60

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Solution

The fourth proportional to 4,313,146.20, 6,468,611.70 and 1,279,794.60 is: 1,919,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313,146.20 : 6,468,611.70 = 1,279,794.60 : x
  2. Step 2: Convert to fraction form
    4,313,146.20/6,468,611.70 = 1,279,794.60/x
  3. Step 3: Cross multiply
    4,313,146.20x = 6,468,611.70 × 1,279,794.60
  4. Step 4: Simplify right side
    4,313,146.20x = 8,278,494,323,156.82
  5. Step 5: Solve for x
    x = 8,278,494,323,156.82/4,313,146.20
  6. Step 6: Final answer
    x = 1,919,363.25

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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.