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Finding the Fourth Proportional to 1,093,936.32, 1,640,701.44 and 881,942.40

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Solution

The fourth proportional to 1,093,936.32, 1,640,701.44 and 881,942.40 is: 1,322,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,936.32 : 1,640,701.44 = 881,942.40 : x
  2. Step 2: Convert to fraction form
    1,093,936.32/1,640,701.44 = 881,942.40/x
  3. Step 3: Cross multiply
    1,093,936.32x = 1,640,701.44 × 881,942.40
  4. Step 4: Simplify right side
    1,093,936.32x = 1,447,004,165,677.06
  5. Step 5: Solve for x
    x = 1,447,004,165,677.06/1,093,936.32
  6. Step 6: Final answer
    x = 1,322,749.91

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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.