Home / 523,247.31-721,887.53-329,603.04

Finding the Fourth Proportional to 523,247.31, 721,887.53 and 329,603.04

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Solution

The fourth proportional to 523,247.31, 721,887.53 and 329,603.04 is: 454,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,247.31 : 721,887.53 = 329,603.04 : x
  2. Step 2: Convert to fraction form
    523,247.31/721,887.53 = 329,603.04/x
  3. Step 3: Cross multiply
    523,247.31x = 721,887.53 × 329,603.04
  4. Step 4: Simplify right side
    523,247.31x = 237,936,322,778.08
  5. Step 5: Solve for x
    x = 237,936,322,778.08/523,247.31
  6. Step 6: Final answer
    x = 454,730.14

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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.