Home / 2,784,481.26-4,176,725.20-762,742.58

Finding the Fourth Proportional to 2,784,481.26, 4,176,725.20 and 762,742.58

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Solution

The fourth proportional to 2,784,481.26, 4,176,725.20 and 762,742.58 is: 1,144,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,481.26 : 4,176,725.20 = 762,742.58 : x
  2. Step 2: Convert to fraction form
    2,784,481.26/4,176,725.20 = 762,742.58/x
  3. Step 3: Cross multiply
    2,784,481.26x = 4,176,725.20 × 762,742.58
  4. Step 4: Simplify right side
    2,784,481.26x = 3,185,766,154,999.02
  5. Step 5: Solve for x
    x = 3,185,766,154,999.02/2,784,481.26
  6. Step 6: Final answer
    x = 1,144,114.78

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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.