Home / 322,215.55-483,839.70-256,204.60

Finding the Fourth Proportional to 322,215.55, 483,839.70 and 256,204.60

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Solution

The fourth proportional to 322,215.55, 483,839.70 and 256,204.60 is: 384,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,215.55 : 483,839.70 = 256,204.60 : x
  2. Step 2: Convert to fraction form
    322,215.55/483,839.70 = 256,204.60/x
  3. Step 3: Cross multiply
    322,215.55x = 483,839.70 × 256,204.60
  4. Step 4: Simplify right side
    322,215.55x = 123,961,956,802.62
  5. Step 5: Solve for x
    x = 123,961,956,802.62/322,215.55
  6. Step 6: Final answer
    x = 384,717.49

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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.