Home / 381,932.76-526,847.91-238,443.69

Finding the Fourth Proportional to 381,932.76, 526,847.91 and 238,443.69

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Solution

The fourth proportional to 381,932.76, 526,847.91 and 238,443.69 is: 328,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,932.76 : 526,847.91 = 238,443.69 : x
  2. Step 2: Convert to fraction form
    381,932.76/526,847.91 = 238,443.69/x
  3. Step 3: Cross multiply
    381,932.76x = 526,847.91 × 238,443.69
  4. Step 4: Simplify right side
    381,932.76x = 125,623,559,729.19
  5. Step 5: Solve for x
    x = 125,623,559,729.19/381,932.76
  6. Step 6: Final answer
    x = 328,915.38

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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.