Home / 1,227,838.92-1,694,468.75-683,974.55

Finding the Fourth Proportional to 1,227,838.92, 1,694,468.75 and 683,974.55

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Solution

The fourth proportional to 1,227,838.92, 1,694,468.75 and 683,974.55 is: 943,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,838.92 : 1,694,468.75 = 683,974.55 : x
  2. Step 2: Convert to fraction form
    1,227,838.92/1,694,468.75 = 683,974.55/x
  3. Step 3: Cross multiply
    1,227,838.92x = 1,694,468.75 × 683,974.55
  4. Step 4: Simplify right side
    1,227,838.92x = 1,158,973,488,878.10
  5. Step 5: Solve for x
    x = 1,158,973,488,878.10/1,227,838.92
  6. Step 6: Final answer
    x = 943,913.30

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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.