Home / 548,722.30-823,083.45-233,138.20

Finding the Fourth Proportional to 548,722.30, 823,083.45 and 233,138.20

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Solution

The fourth proportional to 548,722.30, 823,083.45 and 233,138.20 is: 349,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,722.30 : 823,083.45 = 233,138.20 : x
  2. Step 2: Convert to fraction form
    548,722.30/823,083.45 = 233,138.20/x
  3. Step 3: Cross multiply
    548,722.30x = 823,083.45 × 233,138.20
  4. Step 4: Simplify right side
    548,722.30x = 191,892,193,982.79
  5. Step 5: Solve for x
    x = 191,892,193,982.79/548,722.30
  6. Step 6: Final answer
    x = 349,707.30

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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.