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Finding the Fourth Proportional to 1,438,697.82, 1,985,403.11 and 794,118.18

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Solution

The fourth proportional to 1,438,697.82, 1,985,403.11 and 794,118.18 is: 1,095,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,697.82 : 1,985,403.11 = 794,118.18 : x
  2. Step 2: Convert to fraction form
    1,438,697.82/1,985,403.11 = 794,118.18/x
  3. Step 3: Cross multiply
    1,438,697.82x = 1,985,403.11 × 794,118.18
  4. Step 4: Simplify right side
    1,438,697.82x = 1,576,644,704,279.54
  5. Step 5: Solve for x
    x = 1,576,644,704,279.54/1,438,697.82
  6. Step 6: Final answer
    x = 1,095,883.15

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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.