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Finding the Fourth Proportional to 1,436,905.83, 1,982,917.94 and 792,353.19

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Solution

The fourth proportional to 1,436,905.83, 1,982,917.94 and 792,353.19 is: 1,093,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,905.83 : 1,982,917.94 = 792,353.19 : x
  2. Step 2: Convert to fraction form
    1,436,905.83/1,982,917.94 = 792,353.19/x
  3. Step 3: Cross multiply
    1,436,905.83x = 1,982,917.94 × 792,353.19
  4. Step 4: Simplify right side
    1,436,905.83x = 1,571,171,355,267.23
  5. Step 5: Solve for x
    x = 1,571,171,355,267.23/1,436,905.83
  6. Step 6: Final answer
    x = 1,093,440.73

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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.