Home / 773,351.13-1,160,155.19-324,105.81

Finding the Fourth Proportional to 773,351.13, 1,160,155.19 and 324,105.81

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Solution

The fourth proportional to 773,351.13, 1,160,155.19 and 324,105.81 is: 486,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,351.13 : 1,160,155.19 = 324,105.81 : x
  2. Step 2: Convert to fraction form
    773,351.13/1,160,155.19 = 324,105.81/x
  3. Step 3: Cross multiply
    773,351.13x = 1,160,155.19 × 324,105.81
  4. Step 4: Simplify right side
    773,351.13x = 376,013,037,580.65
  5. Step 5: Solve for x
    x = 376,013,037,580.65/773,351.13
  6. Step 6: Final answer
    x = 486,212.57

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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.