Home / 414,819.40-621,791.70-162,002.20

Finding the Fourth Proportional to 414,819.40, 621,791.70 and 162,002.20

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Solution

The fourth proportional to 414,819.40, 621,791.70 and 162,002.20 is: 242,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,819.40 : 621,791.70 = 162,002.20 : x
  2. Step 2: Convert to fraction form
    414,819.40/621,791.70 = 162,002.20/x
  3. Step 3: Cross multiply
    414,819.40x = 621,791.70 × 162,002.20
  4. Step 4: Simplify right side
    414,819.40x = 100,731,623,341.74
  5. Step 5: Solve for x
    x = 100,731,623,341.74/414,819.40
  6. Step 6: Final answer
    x = 242,832.48

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1.5x scale

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.