Home / 439,233.50-606,142.26-238,029.50

Finding the Fourth Proportional to 439,233.50, 606,142.26 and 238,029.50

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Solution

The fourth proportional to 439,233.50, 606,142.26 and 238,029.50 is: 328,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,233.50 : 606,142.26 = 238,029.50 : x
  2. Step 2: Convert to fraction form
    439,233.50/606,142.26 = 238,029.50/x
  3. Step 3: Cross multiply
    439,233.50x = 606,142.26 × 238,029.50
  4. Step 4: Simplify right side
    439,233.50x = 144,279,739,076.67
  5. Step 5: Solve for x
    x = 144,279,739,076.67/439,233.50
  6. Step 6: Final answer
    x = 328,480.73

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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.