Home / 381,528.98-526,512.05-238,372.07

Finding the Fourth Proportional to 381,528.98, 526,512.05 and 238,372.07

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Solution

The fourth proportional to 381,528.98, 526,512.05 and 238,372.07 is: 328,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,528.98 : 526,512.05 = 238,372.07 : x
  2. Step 2: Convert to fraction form
    381,528.98/526,512.05 = 238,372.07/x
  3. Step 3: Cross multiply
    381,528.98x = 526,512.05 × 238,372.07
  4. Step 4: Simplify right side
    381,528.98x = 125,505,764,307.92
  5. Step 5: Solve for x
    x = 125,505,764,307.92/381,528.98
  6. Step 6: Final answer
    x = 328,954.73

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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.