Home / 325,278.45-489,084.08-273,956.85

Finding the Fourth Proportional to 325,278.45, 489,084.08 and 273,956.85

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Solution

The fourth proportional to 325,278.45, 489,084.08 and 273,956.85 is: 411,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,278.45 : 489,084.08 = 273,956.85 : x
  2. Step 2: Convert to fraction form
    325,278.45/489,084.08 = 273,956.85/x
  3. Step 3: Cross multiply
    325,278.45x = 489,084.08 × 273,956.85
  4. Step 4: Simplify right side
    325,278.45x = 133,987,932,572.16
  5. Step 5: Solve for x
    x = 133,987,932,572.16/325,278.45
  6. Step 6: Final answer
    x = 411,917.64

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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.