Home / 669,764.16-1,004,786.64-196,410.96

Finding the Fourth Proportional to 669,764.16, 1,004,786.64 and 196,410.96

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Solution

The fourth proportional to 669,764.16, 1,004,786.64 and 196,410.96 is: 294,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,764.16 : 1,004,786.64 = 196,410.96 : x
  2. Step 2: Convert to fraction form
    669,764.16/1,004,786.64 = 196,410.96/x
  3. Step 3: Cross multiply
    669,764.16x = 1,004,786.64 × 196,410.96
  4. Step 4: Simplify right side
    669,764.16x = 197,351,108,557.57
  5. Step 5: Solve for x
    x = 197,351,108,557.57/669,764.16
  6. Step 6: Final answer
    x = 294,657.61

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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.