Home / 1,691,891.91-2,536,824.09-538,640.07

Finding the Fourth Proportional to 1,691,891.91, 2,536,824.09 and 538,640.07

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Solution

The fourth proportional to 1,691,891.91, 2,536,824.09 and 538,640.07 is: 807,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,891.91 : 2,536,824.09 = 538,640.07 : x
  2. Step 2: Convert to fraction form
    1,691,891.91/2,536,824.09 = 538,640.07/x
  3. Step 3: Cross multiply
    1,691,891.91x = 2,536,824.09 × 538,640.07
  4. Step 4: Simplify right side
    1,691,891.91x = 1,366,435,105,415.29
  5. Step 5: Solve for x
    x = 1,366,435,105,415.29/1,691,891.91
  6. Step 6: Final answer
    x = 807,637.35

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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.