Home / 379,760.73-569,921.46-180,081.78

Finding the Fourth Proportional to 379,760.73, 569,921.46 and 180,081.78

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Solution

The fourth proportional to 379,760.73, 569,921.46 and 180,081.78 is: 270,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,760.73 : 569,921.46 = 180,081.78 : x
  2. Step 2: Convert to fraction form
    379,760.73/569,921.46 = 180,081.78/x
  3. Step 3: Cross multiply
    379,760.73x = 569,921.46 × 180,081.78
  4. Step 4: Simplify right side
    379,760.73x = 102,632,470,977.00
  5. Step 5: Solve for x
    x = 102,632,470,977.00/379,760.73
  6. Step 6: Final answer
    x = 270,255.62

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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.