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Finding the Fourth Proportional to 1,799,446.76, 2,699,919.78 and 789,294.14

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Solution

The fourth proportional to 1,799,446.76, 2,699,919.78 and 789,294.14 is: 1,184,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,446.76 : 2,699,919.78 = 789,294.14 : x
  2. Step 2: Convert to fraction form
    1,799,446.76/2,699,919.78 = 789,294.14/x
  3. Step 3: Cross multiply
    1,799,446.76x = 2,699,919.78 × 789,294.14
  4. Step 4: Simplify right side
    1,799,446.76x = 2,131,030,860,824.09
  5. Step 5: Solve for x
    x = 2,131,030,860,824.09/1,799,446.76
  6. Step 6: Final answer
    x = 1,184,270.03

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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.