Home / 512,372.03-769,026.80-259,826.84

Finding the Fourth Proportional to 512,372.03, 769,026.80 and 259,826.84

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Solution

The fourth proportional to 512,372.03, 769,026.80 and 259,826.84 is: 389,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,372.03 : 769,026.80 = 259,826.84 : x
  2. Step 2: Convert to fraction form
    512,372.03/769,026.80 = 259,826.84/x
  3. Step 3: Cross multiply
    512,372.03x = 769,026.80 × 259,826.84
  4. Step 4: Simplify right side
    512,372.03x = 199,813,798,175.04
  5. Step 5: Solve for x
    x = 199,813,798,175.04/512,372.03
  6. Step 6: Final answer
    x = 389,977.96

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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.