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Finding the Fourth Proportional to 1,293,162.24, 1,784,406.96 and 741,849.36

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Solution

The fourth proportional to 1,293,162.24, 1,784,406.96 and 741,849.36 is: 1,023,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,162.24 : 1,784,406.96 = 741,849.36 : x
  2. Step 2: Convert to fraction form
    1,293,162.24/1,784,406.96 = 741,849.36/x
  3. Step 3: Cross multiply
    1,293,162.24x = 1,784,406.96 × 741,849.36
  4. Step 4: Simplify right side
    1,293,162.24x = 1,323,761,161,255.55
  5. Step 5: Solve for x
    x = 1,323,761,161,255.55/1,293,162.24
  6. Step 6: Final answer
    x = 1,023,662.09

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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.