Home / 512,325.24-706,986.06-285,965.56

Finding the Fourth Proportional to 512,325.24, 706,986.06 and 285,965.56

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Solution

The fourth proportional to 512,325.24, 706,986.06 and 285,965.56 is: 394,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,325.24 : 706,986.06 = 285,965.56 : x
  2. Step 2: Convert to fraction form
    512,325.24/706,986.06 = 285,965.56/x
  3. Step 3: Cross multiply
    512,325.24x = 706,986.06 × 285,965.56
  4. Step 4: Simplify right side
    512,325.24x = 202,173,664,560.09
  5. Step 5: Solve for x
    x = 202,173,664,560.09/512,325.24
  6. Step 6: Final answer
    x = 394,619.76

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1.5x scale

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.