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Finding the Fourth Proportional to 1,436,904.83, 1,982,916.56 and 792,352.19

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Solution

The fourth proportional to 1,436,904.83, 1,982,916.56 and 792,352.19 is: 1,093,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,904.83 : 1,982,916.56 = 792,352.19 : x
  2. Step 2: Convert to fraction form
    1,436,904.83/1,982,916.56 = 792,352.19/x
  3. Step 3: Cross multiply
    1,436,904.83x = 1,982,916.56 × 792,352.19
  4. Step 4: Simplify right side
    1,436,904.83x = 1,571,168,278,903.27
  5. Step 5: Solve for x
    x = 1,571,168,278,903.27/1,436,904.83
  6. Step 6: Final answer
    x = 1,093,439.35

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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.