Home / 1,227,838.79-1,694,468.57-683,974.43

Finding the Fourth Proportional to 1,227,838.79, 1,694,468.57 and 683,974.43

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Solution

The fourth proportional to 1,227,838.79, 1,694,468.57 and 683,974.43 is: 943,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,838.79 : 1,694,468.57 = 683,974.43 : x
  2. Step 2: Convert to fraction form
    1,227,838.79/1,694,468.57 = 683,974.43/x
  3. Step 3: Cross multiply
    1,227,838.79x = 1,694,468.57 × 683,974.43
  4. Step 4: Simplify right side
    1,227,838.79x = 1,158,973,171,792.43
  5. Step 5: Solve for x
    x = 1,158,973,171,792.43/1,227,838.79
  6. Step 6: Final answer
    x = 943,913.15

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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.