Home / 513,266.19-769,233.45-228,551.61

Finding the Fourth Proportional to 513,266.19, 769,233.45 and 228,551.61

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Solution

The fourth proportional to 513,266.19, 769,233.45 and 228,551.61 is: 342,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,266.19 : 769,233.45 = 228,551.61 : x
  2. Step 2: Convert to fraction form
    513,266.19/769,233.45 = 228,551.61/x
  3. Step 3: Cross multiply
    513,266.19x = 769,233.45 × 228,551.61
  4. Step 4: Simplify right side
    513,266.19x = 175,809,543,463.36
  5. Step 5: Solve for x
    x = 175,809,543,463.36/513,266.19
  6. Step 6: Final answer
    x = 342,530.93

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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.