Home / 694,870.76-1,042,295.16-221,552.92

Finding the Fourth Proportional to 694,870.76, 1,042,295.16 and 221,552.92

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Solution

The fourth proportional to 694,870.76, 1,042,295.16 and 221,552.92 is: 332,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,870.76 : 1,042,295.16 = 221,552.92 : x
  2. Step 2: Convert to fraction form
    694,870.76/1,042,295.16 = 221,552.92/x
  3. Step 3: Cross multiply
    694,870.76x = 1,042,295.16 × 221,552.92
  4. Step 4: Simplify right side
    694,870.76x = 230,923,536,199.87
  5. Step 5: Solve for x
    x = 230,923,536,199.87/694,870.76
  6. Step 6: Final answer
    x = 332,325.88

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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.