Home / 621,443.20-932,184.24-200,722.72

Finding the Fourth Proportional to 621,443.20, 932,184.24 and 200,722.72

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Solution

The fourth proportional to 621,443.20, 932,184.24 and 200,722.72 is: 301,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,443.20 : 932,184.24 = 200,722.72 : x
  2. Step 2: Convert to fraction form
    621,443.20/932,184.24 = 200,722.72/x
  3. Step 3: Cross multiply
    621,443.20x = 932,184.24 × 200,722.72
  4. Step 4: Simplify right side
    621,443.20x = 187,110,556,193.93
  5. Step 5: Solve for x
    x = 187,110,556,193.93/621,443.20
  6. Step 6: Final answer
    x = 301,090.36

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Double scale
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Similar ratio
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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.