Home / 381,931.01-526,845.50-238,441.94

Finding the Fourth Proportional to 381,931.01, 526,845.50 and 238,441.94

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Solution

The fourth proportional to 381,931.01, 526,845.50 and 238,441.94 is: 328,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,931.01 : 526,845.50 = 238,441.94 : x
  2. Step 2: Convert to fraction form
    381,931.01/526,845.50 = 238,441.94/x
  3. Step 3: Cross multiply
    381,931.01x = 526,845.50 × 238,441.94
  4. Step 4: Simplify right side
    381,931.01x = 125,622,062,143.66
  5. Step 5: Solve for x
    x = 125,622,062,143.66/381,931.01
  6. Step 6: Final answer
    x = 328,912.97

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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.