Home / 837,319.76-1,255,979.64-206,245.52

Finding the Fourth Proportional to 837,319.76, 1,255,979.64 and 206,245.52

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Solution

The fourth proportional to 837,319.76, 1,255,979.64 and 206,245.52 is: 309,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,319.76 : 1,255,979.64 = 206,245.52 : x
  2. Step 2: Convert to fraction form
    837,319.76/1,255,979.64 = 206,245.52/x
  3. Step 3: Cross multiply
    837,319.76x = 1,255,979.64 × 206,245.52
  4. Step 4: Simplify right side
    837,319.76x = 259,040,173,961.21
  5. Step 5: Solve for x
    x = 259,040,173,961.21/837,319.76
  6. Step 6: Final answer
    x = 309,368.28

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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.