Home / 531,177.47-796,186.34-261,491.21

Finding the Fourth Proportional to 531,177.47, 796,186.34 and 261,491.21

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Solution

The fourth proportional to 531,177.47, 796,186.34 and 261,491.21 is: 391,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,177.47 : 796,186.34 = 261,491.21 : x
  2. Step 2: Convert to fraction form
    531,177.47/796,186.34 = 261,491.21/x
  3. Step 3: Cross multiply
    531,177.47x = 796,186.34 × 261,491.21
  4. Step 4: Simplify right side
    531,177.47x = 208,195,724,143.68
  5. Step 5: Solve for x
    x = 208,195,724,143.68/531,177.47
  6. Step 6: Final answer
    x = 391,951.35

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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.