Home / 488,092.78-673,575.20-281,247.14

Finding the Fourth Proportional to 488,092.78, 673,575.20 and 281,247.14

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Solution

The fourth proportional to 488,092.78, 673,575.20 and 281,247.14 is: 388,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,092.78 : 673,575.20 = 281,247.14 : x
  2. Step 2: Convert to fraction form
    488,092.78/673,575.20 = 281,247.14/x
  3. Step 3: Cross multiply
    488,092.78x = 673,575.20 × 281,247.14
  4. Step 4: Simplify right side
    488,092.78x = 189,441,098,574.93
  5. Step 5: Solve for x
    x = 189,441,098,574.93/488,092.78
  6. Step 6: Final answer
    x = 388,125.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.