Home / 1,188,286.56-1,782,896.64-522,972

Finding the Fourth Proportional to 1,188,286.56, 1,782,896.64 and 522,972

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Solution

The fourth proportional to 1,188,286.56, 1,782,896.64 and 522,972 is: 784,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,286.56 : 1,782,896.64 = 522,972 : x
  2. Step 2: Convert to fraction form
    1,188,286.56/1,782,896.64 = 522,972/x
  3. Step 3: Cross multiply
    1,188,286.56x = 1,782,896.64 × 522,972
  4. Step 4: Simplify right side
    1,188,286.56x = 932,405,021,614.08
  5. Step 5: Solve for x
    x = 932,405,021,614.08/1,188,286.56
  6. Step 6: Final answer
    x = 784,663.44

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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.