Home / 439,958.24-607,142.80-238,754.24

Finding the Fourth Proportional to 439,958.24, 607,142.80 and 238,754.24

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Solution

The fourth proportional to 439,958.24, 607,142.80 and 238,754.24 is: 329,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,958.24 : 607,142.80 = 238,754.24 : x
  2. Step 2: Convert to fraction form
    439,958.24/607,142.80 = 238,754.24/x
  3. Step 3: Cross multiply
    439,958.24x = 607,142.80 × 238,754.24
  4. Step 4: Simplify right side
    439,958.24x = 144,957,917,785.47
  5. Step 5: Solve for x
    x = 144,957,917,785.47/439,958.24
  6. Step 6: Final answer
    x = 329,481.08

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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.