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Finding the Fourth Proportional to 1,951,739.82, 2,693,683.79 and 1,124,652.47

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Solution

The fourth proportional to 1,951,739.82, 2,693,683.79 and 1,124,652.47 is: 1,552,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,739.82 : 2,693,683.79 = 1,124,652.47 : x
  2. Step 2: Convert to fraction form
    1,951,739.82/2,693,683.79 = 1,124,652.47/x
  3. Step 3: Cross multiply
    1,951,739.82x = 2,693,683.79 × 1,124,652.47
  4. Step 4: Simplify right side
    1,951,739.82x = 3,029,458,108,730.78
  5. Step 5: Solve for x
    x = 3,029,458,108,730.78/1,951,739.82
  6. Step 6: Final answer
    x = 1,552,183.38

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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.