Home / 322,720.11-483,997.95-228,832.20

Finding the Fourth Proportional to 322,720.11, 483,997.95 and 228,832.20

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Solution

The fourth proportional to 322,720.11, 483,997.95 and 228,832.20 is: 343,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,720.11 : 483,997.95 = 228,832.20 : x
  2. Step 2: Convert to fraction form
    322,720.11/483,997.95 = 228,832.20/x
  3. Step 3: Cross multiply
    322,720.11x = 483,997.95 × 228,832.20
  4. Step 4: Simplify right side
    322,720.11x = 110,754,315,693.99
  5. Step 5: Solve for x
    x = 110,754,315,693.99/322,720.11
  6. Step 6: Final answer
    x = 343,190.00

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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.