Home / 837,161.60-1,155,269.28-455,198

Finding the Fourth Proportional to 837,161.60, 1,155,269.28 and 455,198

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Solution

The fourth proportional to 837,161.60, 1,155,269.28 and 455,198 is: 628,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,161.60 : 1,155,269.28 = 455,198 : x
  2. Step 2: Convert to fraction form
    837,161.60/1,155,269.28 = 455,198/x
  3. Step 3: Cross multiply
    837,161.60x = 1,155,269.28 × 455,198
  4. Step 4: Simplify right side
    837,161.60x = 525,876,265,717.44
  5. Step 5: Solve for x
    x = 525,876,265,717.44/837,161.60
  6. Step 6: Final answer
    x = 628,165.78

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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.