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Finding the Fourth Proportional to 1,324,708.44, 1,827,993.42 and 751,748.61

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Solution

The fourth proportional to 1,324,708.44, 1,827,993.42 and 751,748.61 is: 1,037,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,708.44 : 1,827,993.42 = 751,748.61 : x
  2. Step 2: Convert to fraction form
    1,324,708.44/1,827,993.42 = 751,748.61/x
  3. Step 3: Cross multiply
    1,324,708.44x = 1,827,993.42 × 751,748.61
  4. Step 4: Simplify right side
    1,324,708.44x = 1,374,191,512,574.15
  5. Step 5: Solve for x
    x = 1,374,191,512,574.15/1,324,708.44
  6. Step 6: Final answer
    x = 1,037,353.93

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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.