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Finding the Fourth Proportional to 1,998,135, 2,996,413.54 and 799,833.96

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Solution

The fourth proportional to 1,998,135, 2,996,413.54 and 799,833.96 is: 1,199,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,135 : 2,996,413.54 = 799,833.96 : x
  2. Step 2: Convert to fraction form
    1,998,135/2,996,413.54 = 799,833.96/x
  3. Step 3: Cross multiply
    1,998,135x = 2,996,413.54 × 799,833.96
  4. Step 4: Simplify right side
    1,998,135x = 2,396,633,307,495.82
  5. Step 5: Solve for x
    x = 2,396,633,307,495.82/1,998,135
  6. Step 6: Final answer
    x = 1,199,435.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.