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Finding the Fourth Proportional to 1,277,596.87, 1,917,724.52 and 941,017.57

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Solution

The fourth proportional to 1,277,596.87, 1,917,724.52 and 941,017.57 is: 1,412,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,596.87 : 1,917,724.52 = 941,017.57 : x
  2. Step 2: Convert to fraction form
    1,277,596.87/1,917,724.52 = 941,017.57/x
  3. Step 3: Cross multiply
    1,277,596.87x = 1,917,724.52 × 941,017.57
  4. Step 4: Simplify right side
    1,277,596.87x = 1,804,612,467,739.82
  5. Step 5: Solve for x
    x = 1,804,612,467,739.82/1,277,596.87
  6. Step 6: Final answer
    x = 1,412,505.39

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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.