Home / 381,936.27-526,852.74-238,447.20

Finding the Fourth Proportional to 381,936.27, 526,852.74 and 238,447.20

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Solution

The fourth proportional to 381,936.27, 526,852.74 and 238,447.20 is: 328,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,936.27 : 526,852.74 = 238,447.20 : x
  2. Step 2: Convert to fraction form
    381,936.27/526,852.74 = 238,447.20/x
  3. Step 3: Cross multiply
    381,936.27x = 526,852.74 × 238,447.20
  4. Step 4: Simplify right side
    381,936.27x = 125,626,560,665.33
  5. Step 5: Solve for x
    x = 125,626,560,665.33/381,936.27
  6. Step 6: Final answer
    x = 328,920.22

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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.