Home / 445,921.36-668,984.20-193,244.24

Finding the Fourth Proportional to 445,921.36, 668,984.20 and 193,244.24

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Solution

The fourth proportional to 445,921.36, 668,984.20 and 193,244.24 is: 289,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,921.36 : 668,984.20 = 193,244.24 : x
  2. Step 2: Convert to fraction form
    445,921.36/668,984.20 = 193,244.24/x
  3. Step 3: Cross multiply
    445,921.36x = 668,984.20 × 193,244.24
  4. Step 4: Simplify right side
    445,921.36x = 129,277,344,490.36
  5. Step 5: Solve for x
    x = 129,277,344,490.36/445,921.36
  6. Step 6: Final answer
    x = 289,910.64

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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.