Home / 381,534.05-526,519.04-238,377.13

Finding the Fourth Proportional to 381,534.05, 526,519.04 and 238,377.13

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Solution

The fourth proportional to 381,534.05, 526,519.04 and 238,377.13 is: 328,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,534.05 : 526,519.04 = 238,377.13 : x
  2. Step 2: Convert to fraction form
    381,534.05/526,519.04 = 238,377.13/x
  3. Step 3: Cross multiply
    381,534.05x = 526,519.04 × 238,377.13
  4. Step 4: Simplify right side
    381,534.05x = 125,510,095,137.37
  5. Step 5: Solve for x
    x = 125,510,095,137.37/381,534.05
  6. Step 6: Final answer
    x = 328,961.72

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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.