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Finding the Fourth Proportional to 1,363,589.58, 1,881,766.68 and 751,764.72

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Solution

The fourth proportional to 1,363,589.58, 1,881,766.68 and 751,764.72 is: 1,037,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,589.58 : 1,881,766.68 = 751,764.72 : x
  2. Step 2: Convert to fraction form
    1,363,589.58/1,881,766.68 = 751,764.72/x
  3. Step 3: Cross multiply
    1,363,589.58x = 1,881,766.68 × 751,764.72
  4. Step 4: Simplify right side
    1,363,589.58x = 1,414,645,801,295.53
  5. Step 5: Solve for x
    x = 1,414,645,801,295.53/1,363,589.58
  6. Step 6: Final answer
    x = 1,037,442.51

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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.