Home / 1,235,820.92-1,853,763.78-394,371.86

Finding the Fourth Proportional to 1,235,820.92, 1,853,763.78 and 394,371.86

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Solution

The fourth proportional to 1,235,820.92, 1,853,763.78 and 394,371.86 is: 591,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,820.92 : 1,853,763.78 = 394,371.86 : x
  2. Step 2: Convert to fraction form
    1,235,820.92/1,853,763.78 = 394,371.86/x
  3. Step 3: Cross multiply
    1,235,820.92x = 1,853,763.78 × 394,371.86
  4. Step 4: Simplify right side
    1,235,820.92x = 731,072,269,919.23
  5. Step 5: Solve for x
    x = 731,072,269,919.23/1,235,820.92
  6. Step 6: Final answer
    x = 591,568.13

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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.