Home / 276,623.60-414,935.40-273,999.20

Finding the Fourth Proportional to 276,623.60, 414,935.40 and 273,999.20

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Solution

The fourth proportional to 276,623.60, 414,935.40 and 273,999.20 is: 410,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,623.60 : 414,935.40 = 273,999.20 : x
  2. Step 2: Convert to fraction form
    276,623.60/414,935.40 = 273,999.20/x
  3. Step 3: Cross multiply
    276,623.60x = 414,935.40 × 273,999.20
  4. Step 4: Simplify right side
    276,623.60x = 113,691,967,651.68
  5. Step 5: Solve for x
    x = 113,691,967,651.68/276,623.60
  6. Step 6: Final answer
    x = 410,998.80

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1.5x scale

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.