Home / 322,582.40-483,436.20-215,662.40

Finding the Fourth Proportional to 322,582.40, 483,436.20 and 215,662.40

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Solution

The fourth proportional to 322,582.40, 483,436.20 and 215,662.40 is: 323,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,582.40 : 483,436.20 = 215,662.40 : x
  2. Step 2: Convert to fraction form
    322,582.40/483,436.20 = 215,662.40/x
  3. Step 3: Cross multiply
    322,582.40x = 483,436.20 × 215,662.40
  4. Step 4: Simplify right side
    322,582.40x = 104,259,011,138.88
  5. Step 5: Solve for x
    x = 104,259,011,138.88/322,582.40
  6. Step 6: Final answer
    x = 323,201.18

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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.