Home / 446,682.38-670,049.12-126,809.24

Finding the Fourth Proportional to 446,682.38, 670,049.12 and 126,809.24

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Solution

The fourth proportional to 446,682.38, 670,049.12 and 126,809.24 is: 190,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,682.38 : 670,049.12 = 126,809.24 : x
  2. Step 2: Convert to fraction form
    446,682.38/670,049.12 = 126,809.24/x
  3. Step 3: Cross multiply
    446,682.38x = 670,049.12 × 126,809.24
  4. Step 4: Simplify right side
    446,682.38x = 84,968,419,669.87
  5. Step 5: Solve for x
    x = 84,968,419,669.87/446,682.38
  6. Step 6: Final answer
    x = 190,221.11

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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.