Home / 1,188,186.56-1,782,746.40-522,872

Finding the Fourth Proportional to 1,188,186.56, 1,782,746.40 and 522,872

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Solution

The fourth proportional to 1,188,186.56, 1,782,746.40 and 522,872 is: 784,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,186.56 : 1,782,746.40 = 522,872 : x
  2. Step 2: Convert to fraction form
    1,188,186.56/1,782,746.40 = 522,872/x
  3. Step 3: Cross multiply
    1,188,186.56x = 1,782,746.40 × 522,872
  4. Step 4: Simplify right side
    1,188,186.56x = 932,148,175,660.80
  5. Step 5: Solve for x
    x = 932,148,175,660.80/1,188,186.56
  6. Step 6: Final answer
    x = 784,513.31

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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.