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Finding the Fourth Proportional to 1,437,832.22, 1,984,194.78 and 793,257.62

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Solution

The fourth proportional to 1,437,832.22, 1,984,194.78 and 793,257.62 is: 1,094,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,832.22 : 1,984,194.78 = 793,257.62 : x
  2. Step 2: Convert to fraction form
    1,437,832.22/1,984,194.78 = 793,257.62/x
  3. Step 3: Cross multiply
    1,437,832.22x = 1,984,194.78 × 793,257.62
  4. Step 4: Simplify right side
    1,437,832.22x = 1,573,977,628,799.22
  5. Step 5: Solve for x
    x = 1,573,977,628,799.22/1,437,832.22
  6. Step 6: Final answer
    x = 1,094,687.97

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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.