Home / 669,669.36-1,004,512.20-196,364.16

Finding the Fourth Proportional to 669,669.36, 1,004,512.20 and 196,364.16

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Solution

The fourth proportional to 669,669.36, 1,004,512.20 and 196,364.16 is: 294,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,669.36 : 1,004,512.20 = 196,364.16 : x
  2. Step 2: Convert to fraction form
    669,669.36/1,004,512.20 = 196,364.16/x
  3. Step 3: Cross multiply
    669,669.36x = 1,004,512.20 × 196,364.16
  4. Step 4: Simplify right side
    669,669.36x = 197,250,194,362.75
  5. Step 5: Solve for x
    x = 197,250,194,362.75/669,669.36
  6. Step 6: Final answer
    x = 294,548.63

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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.