Home / 1,188,187.56-1,782,747.90-522,873

Finding the Fourth Proportional to 1,188,187.56, 1,782,747.90 and 522,873

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Solution

The fourth proportional to 1,188,187.56, 1,782,747.90 and 522,873 is: 784,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,187.56 : 1,782,747.90 = 522,873 : x
  2. Step 2: Convert to fraction form
    1,188,187.56/1,782,747.90 = 522,873/x
  3. Step 3: Cross multiply
    1,188,187.56x = 1,782,747.90 × 522,873
  4. Step 4: Simplify right side
    1,188,187.56x = 932,150,742,716.70
  5. Step 5: Solve for x
    x = 932,150,742,716.70/1,188,187.56
  6. Step 6: Final answer
    x = 784,514.81

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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.