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Finding the Fourth Proportional to 1,193,616, 1,647,190.08 and 657,072

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Solution

The fourth proportional to 1,193,616, 1,647,190.08 and 657,072 is: 906,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,616 : 1,647,190.08 = 657,072 : x
  2. Step 2: Convert to fraction form
    1,193,616/1,647,190.08 = 657,072/x
  3. Step 3: Cross multiply
    1,193,616x = 1,647,190.08 × 657,072
  4. Step 4: Simplify right side
    1,193,616x = 1,082,322,480,245.76
  5. Step 5: Solve for x
    x = 1,082,322,480,245.76/1,193,616
  6. Step 6: Final answer
    x = 906,759.36

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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.