Home / 543,824.30-815,736.45-403,856.30

Finding the Fourth Proportional to 543,824.30, 815,736.45 and 403,856.30

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Solution

The fourth proportional to 543,824.30, 815,736.45 and 403,856.30 is: 605,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,824.30 : 815,736.45 = 403,856.30 : x
  2. Step 2: Convert to fraction form
    543,824.30/815,736.45 = 403,856.30/x
  3. Step 3: Cross multiply
    543,824.30x = 815,736.45 × 403,856.30
  4. Step 4: Simplify right side
    543,824.30x = 329,440,304,472.14
  5. Step 5: Solve for x
    x = 329,440,304,472.14/543,824.30
  6. Step 6: Final answer
    x = 605,784.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.