Home / 1,290,200.11-1,934,021.79-605,861.89

Finding the Fourth Proportional to 1,290,200.11, 1,934,021.79 and 605,861.89

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Solution

The fourth proportional to 1,290,200.11, 1,934,021.79 and 605,861.89 is: 908,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,200.11 : 1,934,021.79 = 605,861.89 : x
  2. Step 2: Convert to fraction form
    1,290,200.11/1,934,021.79 = 605,861.89/x
  3. Step 3: Cross multiply
    1,290,200.11x = 1,934,021.79 × 605,861.89
  4. Step 4: Simplify right side
    1,290,200.11x = 1,171,750,096,990.58
  5. Step 5: Solve for x
    x = 1,171,750,096,990.58/1,290,200.11
  6. Step 6: Final answer
    x = 908,192.53

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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.