Home / 488,016.04-673,334.36-281,233.78

Finding the Fourth Proportional to 488,016.04, 673,334.36 and 281,233.78

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Solution

The fourth proportional to 488,016.04, 673,334.36 and 281,233.78 is: 388,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,016.04 : 673,334.36 = 281,233.78 : x
  2. Step 2: Convert to fraction form
    488,016.04/673,334.36 = 281,233.78/x
  3. Step 3: Cross multiply
    488,016.04x = 673,334.36 × 281,233.78
  4. Step 4: Simplify right side
    488,016.04x = 189,364,367,266.68
  5. Step 5: Solve for x
    x = 189,364,367,266.68/488,016.04
  6. Step 6: Final answer
    x = 388,028.98

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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.