Home / 438,822.36-605,573.82-237,618.36

Finding the Fourth Proportional to 438,822.36, 605,573.82 and 237,618.36

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Solution

The fourth proportional to 438,822.36, 605,573.82 and 237,618.36 is: 327,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822.36 : 605,573.82 = 237,618.36 : x
  2. Step 2: Convert to fraction form
    438,822.36/605,573.82 = 237,618.36/x
  3. Step 3: Cross multiply
    438,822.36x = 605,573.82 × 237,618.36
  4. Step 4: Simplify right side
    438,822.36x = 143,895,457,967.34
  5. Step 5: Solve for x
    x = 143,895,457,967.34/438,822.36
  6. Step 6: Final answer
    x = 327,912.78

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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.