Home / 691,936.55-954,940.97-419,983.10

Finding the Fourth Proportional to 691,936.55, 954,940.97 and 419,983.10

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Solution

The fourth proportional to 691,936.55, 954,940.97 and 419,983.10 is: 579,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,936.55 : 954,940.97 = 419,983.10 : x
  2. Step 2: Convert to fraction form
    691,936.55/954,940.97 = 419,983.10/x
  3. Step 3: Cross multiply
    691,936.55x = 954,940.97 × 419,983.10
  4. Step 4: Simplify right side
    691,936.55x = 401,059,068,897.61
  5. Step 5: Solve for x
    x = 401,059,068,897.61/691,936.55
  6. Step 6: Final answer
    x = 579,618.27

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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.