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Finding the Fourth Proportional to 1,336,934.36, 1,844,934.37 and 763,974.38

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Solution

The fourth proportional to 1,336,934.36, 1,844,934.37 and 763,974.38 is: 1,054,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,934.36 : 1,844,934.37 = 763,974.38 : x
  2. Step 2: Convert to fraction form
    1,336,934.36/1,844,934.37 = 763,974.38/x
  3. Step 3: Cross multiply
    1,336,934.36x = 1,844,934.37 × 763,974.38
  4. Step 4: Simplify right side
    1,336,934.36x = 1,409,482,594,163.84
  5. Step 5: Solve for x
    x = 1,409,482,594,163.84/1,336,934.36
  6. Step 6: Final answer
    x = 1,054,264.62

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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.