Home / 439,116.82-605,981.25-237,912.82

Finding the Fourth Proportional to 439,116.82, 605,981.25 and 237,912.82

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Solution

The fourth proportional to 439,116.82, 605,981.25 and 237,912.82 is: 328,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,116.82 : 605,981.25 = 237,912.82 : x
  2. Step 2: Convert to fraction form
    439,116.82/605,981.25 = 237,912.82/x
  3. Step 3: Cross multiply
    439,116.82x = 605,981.25 × 237,912.82
  4. Step 4: Simplify right side
    439,116.82x = 144,170,708,054.63
  5. Step 5: Solve for x
    x = 144,170,708,054.63/439,116.82
  6. Step 6: Final answer
    x = 328,319.71

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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.