Home / 381,931.51-526,846.19-238,442.44

Finding the Fourth Proportional to 381,931.51, 526,846.19 and 238,442.44

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Solution

The fourth proportional to 381,931.51, 526,846.19 and 238,442.44 is: 328,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,931.51 : 526,846.19 = 238,442.44 : x
  2. Step 2: Convert to fraction form
    381,931.51/526,846.19 = 238,442.44/x
  3. Step 3: Cross multiply
    381,931.51x = 526,846.19 × 238,442.44
  4. Step 4: Simplify right side
    381,931.51x = 125,622,491,048.30
  5. Step 5: Solve for x
    x = 125,622,491,048.30/381,931.51
  6. Step 6: Final answer
    x = 328,913.66

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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.