Home / 619,217.73-854,437.81-343,571.18

Finding the Fourth Proportional to 619,217.73, 854,437.81 and 343,571.18

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Solution

The fourth proportional to 619,217.73, 854,437.81 and 343,571.18 is: 474,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,217.73 : 854,437.81 = 343,571.18 : x
  2. Step 2: Convert to fraction form
    619,217.73/854,437.81 = 343,571.18/x
  3. Step 3: Cross multiply
    619,217.73x = 854,437.81 × 343,571.18
  4. Step 4: Simplify right side
    619,217.73x = 293,560,206,618.32
  5. Step 5: Solve for x
    x = 293,560,206,618.32/619,217.73
  6. Step 6: Final answer
    x = 474,082.37

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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.