Home / 515,826.82-773,694.36-178,859.94

Finding the Fourth Proportional to 515,826.82, 773,694.36 and 178,859.94

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Solution

The fourth proportional to 515,826.82, 773,694.36 and 178,859.94 is: 268,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,826.82 : 773,694.36 = 178,859.94 : x
  2. Step 2: Convert to fraction form
    515,826.82/773,694.36 = 178,859.94/x
  3. Step 3: Cross multiply
    515,826.82x = 773,694.36 × 178,859.94
  4. Step 4: Simplify right side
    515,826.82x = 138,382,926,807.94
  5. Step 5: Solve for x
    x = 138,382,926,807.94/515,826.82
  6. Step 6: Final answer
    x = 268,274.00

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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.