Home / 376,399.17-519,441.26-213,042.69

Finding the Fourth Proportional to 376,399.17, 519,441.26 and 213,042.69

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Solution

The fourth proportional to 376,399.17, 519,441.26 and 213,042.69 is: 294,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,399.17 : 519,441.26 = 213,042.69 : x
  2. Step 2: Convert to fraction form
    376,399.17/519,441.26 = 213,042.69/x
  3. Step 3: Cross multiply
    376,399.17x = 519,441.26 × 213,042.69
  4. Step 4: Simplify right side
    376,399.17x = 110,663,162,262.18
  5. Step 5: Solve for x
    x = 110,663,162,262.18/376,399.17
  6. Step 6: Final answer
    x = 294,004.80

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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.