Home / 352,314.14-528,844.91-312,049.04

Finding the Fourth Proportional to 352,314.14, 528,844.91 and 312,049.04

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Solution

The fourth proportional to 352,314.14, 528,844.91 and 312,049.04 is: 468,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,314.14 : 528,844.91 = 312,049.04 : x
  2. Step 2: Convert to fraction form
    352,314.14/528,844.91 = 312,049.04/x
  3. Step 3: Cross multiply
    352,314.14x = 528,844.91 × 312,049.04
  4. Step 4: Simplify right side
    352,314.14x = 165,025,545,932.40
  5. Step 5: Solve for x
    x = 165,025,545,932.40/352,314.14
  6. Step 6: Final answer
    x = 468,404.55

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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.