Home / 381,467.88-526,401.18-238,219.38

Finding the Fourth Proportional to 381,467.88, 526,401.18 and 238,219.38

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Solution

The fourth proportional to 381,467.88, 526,401.18 and 238,219.38 is: 328,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,467.88 : 526,401.18 = 238,219.38 : x
  2. Step 2: Convert to fraction form
    381,467.88/526,401.18 = 238,219.38/x
  3. Step 3: Cross multiply
    381,467.88x = 526,401.18 × 238,219.38
  4. Step 4: Simplify right side
    381,467.88x = 125,398,962,730.87
  5. Step 5: Solve for x
    x = 125,398,962,730.87/381,467.88
  6. Step 6: Final answer
    x = 328,727.45

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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.