Home / 1,174,099.20-1,621,065.60-868,243.20

Finding the Fourth Proportional to 1,174,099.20, 1,621,065.60 and 868,243.20

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Solution

The fourth proportional to 1,174,099.20, 1,621,065.60 and 868,243.20 is: 1,198,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,099.20 : 1,621,065.60 = 868,243.20 : x
  2. Step 2: Convert to fraction form
    1,174,099.20/1,621,065.60 = 868,243.20/x
  3. Step 3: Cross multiply
    1,174,099.20x = 1,621,065.60 × 868,243.20
  4. Step 4: Simplify right side
    1,174,099.20x = 1,407,479,183,953.92
  5. Step 5: Solve for x
    x = 1,407,479,183,953.92/1,174,099.20
  6. Step 6: Final answer
    x = 1,198,773.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.