Home / 543,734.33-815,152.42-239,912.17

Finding the Fourth Proportional to 543,734.33, 815,152.42 and 239,912.17

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Solution

The fourth proportional to 543,734.33, 815,152.42 and 239,912.17 is: 359,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,734.33 : 815,152.42 = 239,912.17 : x
  2. Step 2: Convert to fraction form
    543,734.33/815,152.42 = 239,912.17/x
  3. Step 3: Cross multiply
    543,734.33x = 815,152.42 × 239,912.17
  4. Step 4: Simplify right side
    543,734.33x = 195,564,983,325.29
  5. Step 5: Solve for x
    x = 195,564,983,325.29/543,734.33
  6. Step 6: Final answer
    x = 359,670.11

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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.