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Finding the Fourth Proportional to 1,436,929.89, 1,982,920.83 and 792,349.92

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Solution

The fourth proportional to 1,436,929.89, 1,982,920.83 and 792,349.92 is: 1,093,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,929.89 : 1,982,920.83 = 792,349.92 : x
  2. Step 2: Convert to fraction form
    1,436,929.89/1,982,920.83 = 792,349.92/x
  3. Step 3: Cross multiply
    1,436,929.89x = 1,982,920.83 × 792,349.92
  4. Step 4: Simplify right side
    1,436,929.89x = 1,571,167,161,016.83
  5. Step 5: Solve for x
    x = 1,571,167,161,016.83/1,436,929.89
  6. Step 6: Final answer
    x = 1,093,419.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.