Home / 322,318.12-444,440.43-220,360.18

Finding the Fourth Proportional to 322,318.12, 444,440.43 and 220,360.18

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Solution

The fourth proportional to 322,318.12, 444,440.43 and 220,360.18 is: 303,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,318.12 : 444,440.43 = 220,360.18 : x
  2. Step 2: Convert to fraction form
    322,318.12/444,440.43 = 220,360.18/x
  3. Step 3: Cross multiply
    322,318.12x = 444,440.43 × 220,360.18
  4. Step 4: Simplify right side
    322,318.12x = 97,936,973,154.08
  5. Step 5: Solve for x
    x = 97,936,973,154.08/322,318.12
  6. Step 6: Final answer
    x = 303,851.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.