Home / 541,029.28-811,385.36-203,826.64

Finding the Fourth Proportional to 541,029.28, 811,385.36 and 203,826.64

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Solution

The fourth proportional to 541,029.28, 811,385.36 and 203,826.64 is: 305,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,029.28 : 811,385.36 = 203,826.64 : x
  2. Step 2: Convert to fraction form
    541,029.28/811,385.36 = 203,826.64/x
  3. Step 3: Cross multiply
    541,029.28x = 811,385.36 × 203,826.64
  4. Step 4: Simplify right side
    541,029.28x = 165,381,951,673.99
  5. Step 5: Solve for x
    x = 165,381,951,673.99/541,029.28
  6. Step 6: Final answer
    x = 305,680.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.