Home / 715,687.62-1,073,662.65-294,733.86

Finding the Fourth Proportional to 715,687.62, 1,073,662.65 and 294,733.86

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Solution

The fourth proportional to 715,687.62, 1,073,662.65 and 294,733.86 is: 442,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,687.62 : 1,073,662.65 = 294,733.86 : x
  2. Step 2: Convert to fraction form
    715,687.62/1,073,662.65 = 294,733.86/x
  3. Step 3: Cross multiply
    715,687.62x = 1,073,662.65 × 294,733.86
  4. Step 4: Simplify right side
    715,687.62x = 316,444,737,172.33
  5. Step 5: Solve for x
    x = 316,444,737,172.33/715,687.62
  6. Step 6: Final answer
    x = 442,154.83

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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.