Home / 691,929.18-1,037,816.55-186,540.48

Finding the Fourth Proportional to 691,929.18, 1,037,816.55 and 186,540.48

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Solution

The fourth proportional to 691,929.18, 1,037,816.55 and 186,540.48 is: 279,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,929.18 : 1,037,816.55 = 186,540.48 : x
  2. Step 2: Convert to fraction form
    691,929.18/1,037,816.55 = 186,540.48/x
  3. Step 3: Cross multiply
    691,929.18x = 1,037,816.55 × 186,540.48
  4. Step 4: Simplify right side
    691,929.18x = 193,594,797,388.94
  5. Step 5: Solve for x
    x = 193,594,797,388.94/691,929.18
  6. Step 6: Final answer
    x = 279,789.90

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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.