Home / 439,524.86-606,621.99-258,236.73

Finding the Fourth Proportional to 439,524.86, 606,621.99 and 258,236.73

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Solution

The fourth proportional to 439,524.86, 606,621.99 and 258,236.73 is: 356,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,524.86 : 606,621.99 = 258,236.73 : x
  2. Step 2: Convert to fraction form
    439,524.86/606,621.99 = 258,236.73/x
  3. Step 3: Cross multiply
    439,524.86x = 606,621.99 × 258,236.73
  4. Step 4: Simplify right side
    439,524.86x = 156,652,079,043.69
  5. Step 5: Solve for x
    x = 156,652,079,043.69/439,524.86
  6. Step 6: Final answer
    x = 356,412.33

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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.