Home / 715,179.60-1,073,706.96-479,576.52

Finding the Fourth Proportional to 715,179.60, 1,073,706.96 and 479,576.52

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Solution

The fourth proportional to 715,179.60, 1,073,706.96 and 479,576.52 is: 719,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,179.60 : 1,073,706.96 = 479,576.52 : x
  2. Step 2: Convert to fraction form
    715,179.60/1,073,706.96 = 479,576.52/x
  3. Step 3: Cross multiply
    715,179.60x = 1,073,706.96 × 479,576.52
  4. Step 4: Simplify right side
    715,179.60x = 514,924,647,376.58
  5. Step 5: Solve for x
    x = 514,924,647,376.58/715,179.60
  6. Step 6: Final answer
    x = 719,993.48

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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.