Home / 446,428.82-669,644.43-109,470.98

Finding the Fourth Proportional to 446,428.82, 669,644.43 and 109,470.98

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Solution

The fourth proportional to 446,428.82, 669,644.43 and 109,470.98 is: 164,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,428.82 : 669,644.43 = 109,470.98 : x
  2. Step 2: Convert to fraction form
    446,428.82/669,644.43 = 109,470.98/x
  3. Step 3: Cross multiply
    446,428.82x = 669,644.43 × 109,470.98
  4. Step 4: Simplify right side
    446,428.82x = 73,306,632,003.64
  5. Step 5: Solve for x
    x = 73,306,632,003.64/446,428.82
  6. Step 6: Final answer
    x = 164,206.76

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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.