Home / 461,942.07-693,132.42-320,005.77

Finding the Fourth Proportional to 461,942.07, 693,132.42 and 320,005.77

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Solution

The fourth proportional to 461,942.07, 693,132.42 and 320,005.77 is: 480,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,942.07 : 693,132.42 = 320,005.77 : x
  2. Step 2: Convert to fraction form
    461,942.07/693,132.42 = 320,005.77/x
  3. Step 3: Cross multiply
    461,942.07x = 693,132.42 × 320,005.77
  4. Step 4: Simplify right side
    461,942.07x = 221,806,373,774.06
  5. Step 5: Solve for x
    x = 221,806,373,774.06/461,942.07
  6. Step 6: Final answer
    x = 480,160.58

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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.