Home / 852,632.52-1,278,919.50-221,551.80

Finding the Fourth Proportional to 852,632.52, 1,278,919.50 and 221,551.80

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Solution

The fourth proportional to 852,632.52, 1,278,919.50 and 221,551.80 is: 332,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,632.52 : 1,278,919.50 = 221,551.80 : x
  2. Step 2: Convert to fraction form
    852,632.52/1,278,919.50 = 221,551.80/x
  3. Step 3: Cross multiply
    852,632.52x = 1,278,919.50 × 221,551.80
  4. Step 4: Simplify right side
    852,632.52x = 283,346,917,280.10
  5. Step 5: Solve for x
    x = 283,346,917,280.10/852,632.52
  6. Step 6: Final answer
    x = 332,320.09

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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.