Home / 1,188,178.56-1,782,734.40-522,864

Finding the Fourth Proportional to 1,188,178.56, 1,782,734.40 and 522,864

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Solution

The fourth proportional to 1,188,178.56, 1,782,734.40 and 522,864 is: 784,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,178.56 : 1,782,734.40 = 522,864 : x
  2. Step 2: Convert to fraction form
    1,188,178.56/1,782,734.40 = 522,864/x
  3. Step 3: Cross multiply
    1,188,178.56x = 1,782,734.40 × 522,864
  4. Step 4: Simplify right side
    1,188,178.56x = 932,127,639,321.60
  5. Step 5: Solve for x
    x = 932,127,639,321.60/1,188,178.56
  6. Step 6: Final answer
    x = 784,501.31

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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.