Home / 837,435.38-1,256,153.76-206,349.26

Finding the Fourth Proportional to 837,435.38, 1,256,153.76 and 206,349.26

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Solution

The fourth proportional to 837,435.38, 1,256,153.76 and 206,349.26 is: 309,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,435.38 : 1,256,153.76 = 206,349.26 : x
  2. Step 2: Convert to fraction form
    837,435.38/1,256,153.76 = 206,349.26/x
  3. Step 3: Cross multiply
    837,435.38x = 1,256,153.76 × 206,349.26
  4. Step 4: Simplify right side
    837,435.38x = 259,206,395,165.96
  5. Step 5: Solve for x
    x = 259,206,395,165.96/837,435.38
  6. Step 6: Final answer
    x = 309,524.06

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Double scale
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1.5x scale

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.