Home / 694,896.32-1,042,514.24-221,581.76

Finding the Fourth Proportional to 694,896.32, 1,042,514.24 and 221,581.76

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Solution

The fourth proportional to 694,896.32, 1,042,514.24 and 221,581.76 is: 332,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,896.32 : 1,042,514.24 = 221,581.76 : x
  2. Step 2: Convert to fraction form
    694,896.32/1,042,514.24 = 221,581.76/x
  3. Step 3: Cross multiply
    694,896.32x = 1,042,514.24 × 221,581.76
  4. Step 4: Simplify right side
    694,896.32x = 231,002,140,124.26
  5. Step 5: Solve for x
    x = 231,002,140,124.26/694,896.32
  6. Step 6: Final answer
    x = 332,426.77

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1.5x scale

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.