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Finding the Fourth Proportional to 1,331,704, 1,837,751.52 and 728,092

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Solution

The fourth proportional to 1,331,704, 1,837,751.52 and 728,092 is: 1,004,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,704 : 1,837,751.52 = 728,092 : x
  2. Step 2: Convert to fraction form
    1,331,704/1,837,751.52 = 728,092/x
  3. Step 3: Cross multiply
    1,331,704x = 1,837,751.52 × 728,092
  4. Step 4: Simplify right side
    1,331,704x = 1,338,052,179,699.84
  5. Step 5: Solve for x
    x = 1,338,052,179,699.84/1,331,704
  6. Step 6: Final answer
    x = 1,004,766.96

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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.