Home / 625,723.60-938,675.30-193,474.73

Finding the Fourth Proportional to 625,723.60, 938,675.30 and 193,474.73

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Solution

The fourth proportional to 625,723.60, 938,675.30 and 193,474.73 is: 290,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,723.60 : 938,675.30 = 193,474.73 : x
  2. Step 2: Convert to fraction form
    625,723.60/938,675.30 = 193,474.73/x
  3. Step 3: Cross multiply
    625,723.60x = 938,675.30 × 193,474.73
  4. Step 4: Simplify right side
    625,723.60x = 181,609,944,564.42
  5. Step 5: Solve for x
    x = 181,609,944,564.42/625,723.60
  6. Step 6: Final answer
    x = 290,239.88

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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.