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Finding the Fourth Proportional to 1,193,557, 1,790,335.52 and 405,589

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Solution

The fourth proportional to 1,193,557, 1,790,335.52 and 405,589 is: 608,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,557 : 1,790,335.52 = 405,589 : x
  2. Step 2: Convert to fraction form
    1,193,557/1,790,335.52 = 405,589/x
  3. Step 3: Cross multiply
    1,193,557x = 1,790,335.52 × 405,589
  4. Step 4: Simplify right side
    1,193,557x = 726,140,393,221.28
  5. Step 5: Solve for x
    x = 726,140,393,221.28/1,193,557
  6. Step 6: Final answer
    x = 608,383.51

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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.