Home / 446,947.20-669,902.40-180,532.80

Finding the Fourth Proportional to 446,947.20, 669,902.40 and 180,532.80

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Solution

The fourth proportional to 446,947.20, 669,902.40 and 180,532.80 is: 270,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,947.20 : 669,902.40 = 180,532.80 : x
  2. Step 2: Convert to fraction form
    446,947.20/669,902.40 = 180,532.80/x
  3. Step 3: Cross multiply
    446,947.20x = 669,902.40 × 180,532.80
  4. Step 4: Simplify right side
    446,947.20x = 120,939,355,998.72
  5. Step 5: Solve for x
    x = 120,939,355,998.72/446,947.20
  6. Step 6: Final answer
    x = 270,589.81

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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.