Home / 322,076.06-480,945.20-263,028.86

Finding the Fourth Proportional to 322,076.06, 480,945.20 and 263,028.86

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Solution

The fourth proportional to 322,076.06, 480,945.20 and 263,028.86 is: 392,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,076.06 : 480,945.20 = 263,028.86 : x
  2. Step 2: Convert to fraction form
    322,076.06/480,945.20 = 263,028.86/x
  3. Step 3: Cross multiply
    322,076.06x = 480,945.20 × 263,028.86
  4. Step 4: Simplify right side
    322,076.06x = 126,502,464,944.96
  5. Step 5: Solve for x
    x = 126,502,464,944.96/322,076.06
  6. Step 6: Final answer
    x = 392,772.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.