Home / 1,212,328.82-1,818,493.23-538,251.68

Finding the Fourth Proportional to 1,212,328.82, 1,818,493.23 and 538,251.68

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Solution

The fourth proportional to 1,212,328.82, 1,818,493.23 and 538,251.68 is: 807,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,328.82 : 1,818,493.23 = 538,251.68 : x
  2. Step 2: Convert to fraction form
    1,212,328.82/1,818,493.23 = 538,251.68/x
  3. Step 3: Cross multiply
    1,212,328.82x = 1,818,493.23 × 538,251.68
  4. Step 4: Simplify right side
    1,212,328.82x = 978,807,042,680.80
  5. Step 5: Solve for x
    x = 978,807,042,680.80/1,212,328.82
  6. Step 6: Final answer
    x = 807,377.52

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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.