Home / 446,288.56-669,546.24-126,440.08

Finding the Fourth Proportional to 446,288.56, 669,546.24 and 126,440.08

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Solution

The fourth proportional to 446,288.56, 669,546.24 and 126,440.08 is: 189,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,288.56 : 669,546.24 = 126,440.08 : x
  2. Step 2: Convert to fraction form
    446,288.56/669,546.24 = 126,440.08/x
  3. Step 3: Cross multiply
    446,288.56x = 669,546.24 × 126,440.08
  4. Step 4: Simplify right side
    446,288.56x = 84,657,480,149.30
  5. Step 5: Solve for x
    x = 84,657,480,149.30/446,288.56
  6. Step 6: Final answer
    x = 189,692.25

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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.