Home / 376,827.40-519,814.18-238,753.72

Finding the Fourth Proportional to 376,827.40, 519,814.18 and 238,753.72

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Solution

The fourth proportional to 376,827.40, 519,814.18 and 238,753.72 is: 329,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,827.40 : 519,814.18 = 238,753.72 : x
  2. Step 2: Convert to fraction form
    376,827.40/519,814.18 = 238,753.72/x
  3. Step 3: Cross multiply
    376,827.40x = 519,814.18 × 238,753.72
  4. Step 4: Simplify right side
    376,827.40x = 124,107,569,183.75
  5. Step 5: Solve for x
    x = 124,107,569,183.75/376,827.40
  6. Step 6: Final answer
    x = 329,348.58

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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.