Home / 352,136.16-528,198.08-324,709.04

Finding the Fourth Proportional to 352,136.16, 528,198.08 and 324,709.04

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Solution

The fourth proportional to 352,136.16, 528,198.08 and 324,709.04 is: 487,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,136.16 : 528,198.08 = 324,709.04 : x
  2. Step 2: Convert to fraction form
    352,136.16/528,198.08 = 324,709.04/x
  3. Step 3: Cross multiply
    352,136.16x = 528,198.08 × 324,709.04
  4. Step 4: Simplify right side
    352,136.16x = 171,510,691,486.64
  5. Step 5: Solve for x
    x = 171,510,691,486.64/352,136.16
  6. Step 6: Final answer
    x = 487,057.88

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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.