Home / 827,193.60-1,241,956.80-512,265.60

Finding the Fourth Proportional to 827,193.60, 1,241,956.80 and 512,265.60

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Solution

The fourth proportional to 827,193.60, 1,241,956.80 and 512,265.60 is: 769,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,193.60 : 1,241,956.80 = 512,265.60 : x
  2. Step 2: Convert to fraction form
    827,193.60/1,241,956.80 = 512,265.60/x
  3. Step 3: Cross multiply
    827,193.60x = 1,241,956.80 × 512,265.60
  4. Step 4: Simplify right side
    827,193.60x = 636,211,745,326.08
  5. Step 5: Solve for x
    x = 636,211,745,326.08/827,193.60
  6. Step 6: Final answer
    x = 769,120.73

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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.