Home / 444,660.81-666,789.39-191,821.74

Finding the Fourth Proportional to 444,660.81, 666,789.39 and 191,821.74

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Solution

The fourth proportional to 444,660.81, 666,789.39 and 191,821.74 is: 287,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,660.81 : 666,789.39 = 191,821.74 : x
  2. Step 2: Convert to fraction form
    444,660.81/666,789.39 = 191,821.74/x
  3. Step 3: Cross multiply
    444,660.81x = 666,789.39 × 191,821.74
  4. Step 4: Simplify right side
    444,660.81x = 127,904,701,003.34
  5. Step 5: Solve for x
    x = 127,904,701,003.34/444,660.81
  6. Step 6: Final answer
    x = 287,645.54

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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.