Home / 1,323,270.70-1,984,906.05-1,211,296.30

Finding the Fourth Proportional to 1,323,270.70, 1,984,906.05 and 1,211,296.30

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Solution

The fourth proportional to 1,323,270.70, 1,984,906.05 and 1,211,296.30 is: 1,816,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,270.70 : 1,984,906.05 = 1,211,296.30 : x
  2. Step 2: Convert to fraction form
    1,323,270.70/1,984,906.05 = 1,211,296.30/x
  3. Step 3: Cross multiply
    1,323,270.70x = 1,984,906.05 × 1,211,296.30
  4. Step 4: Simplify right side
    1,323,270.70x = 2,404,309,354,212.62
  5. Step 5: Solve for x
    x = 2,404,309,354,212.62/1,323,270.70
  6. Step 6: Final answer
    x = 1,816,944.45

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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.