Home / 439,940.75-607,118.24-238,736.75

Finding the Fourth Proportional to 439,940.75, 607,118.24 and 238,736.75

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Solution

The fourth proportional to 439,940.75, 607,118.24 and 238,736.75 is: 329,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,940.75 : 607,118.24 = 238,736.75 : x
  2. Step 2: Convert to fraction form
    439,940.75/607,118.24 = 238,736.75/x
  3. Step 3: Cross multiply
    439,940.75x = 607,118.24 × 238,736.75
  4. Step 4: Simplify right side
    439,940.75x = 144,941,434,289.64
  5. Step 5: Solve for x
    x = 144,941,434,289.64/439,940.75
  6. Step 6: Final answer
    x = 329,456.72

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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.