Home / 321,905.56-444,311.42-219,972.28

Finding the Fourth Proportional to 321,905.56, 444,311.42 and 219,972.28

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Solution

The fourth proportional to 321,905.56, 444,311.42 and 219,972.28 is: 303,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,905.56 : 444,311.42 = 219,972.28 : x
  2. Step 2: Convert to fraction form
    321,905.56/444,311.42 = 219,972.28/x
  3. Step 3: Cross multiply
    321,905.56x = 444,311.42 × 219,972.28
  4. Step 4: Simplify right side
    321,905.56x = 97,736,196,087.44
  5. Step 5: Solve for x
    x = 97,736,196,087.44/321,905.56
  6. Step 6: Final answer
    x = 303,617.61

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1.5x scale

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.