Home / 837,433.75-1,256,151.30-206,347.63

Finding the Fourth Proportional to 837,433.75, 1,256,151.30 and 206,347.63

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Solution

The fourth proportional to 837,433.75, 1,256,151.30 and 206,347.63 is: 309,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,433.75 : 1,256,151.30 = 206,347.63 : x
  2. Step 2: Convert to fraction form
    837,433.75/1,256,151.30 = 206,347.63/x
  3. Step 3: Cross multiply
    837,433.75x = 1,256,151.30 × 206,347.63
  4. Step 4: Simplify right side
    837,433.75x = 259,203,843,676.42
  5. Step 5: Solve for x
    x = 259,203,843,676.42/837,433.75
  6. Step 6: Final answer
    x = 309,521.61

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Double scale
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Similar ratio
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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.