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Finding the Fourth Proportional to 1,620,797.14, 2,236,834.74 and 895,786.39

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Solution

The fourth proportional to 1,620,797.14, 2,236,834.74 and 895,786.39 is: 1,236,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,797.14 : 2,236,834.74 = 895,786.39 : x
  2. Step 2: Convert to fraction form
    1,620,797.14/2,236,834.74 = 895,786.39/x
  3. Step 3: Cross multiply
    1,620,797.14x = 2,236,834.74 × 895,786.39
  4. Step 4: Simplify right side
    1,620,797.14x = 2,003,726,116,771.19
  5. Step 5: Solve for x
    x = 2,003,726,116,771.19/1,620,797.14
  6. Step 6: Final answer
    x = 1,236,259.66

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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.