Home / 447,049.20-616,881.24-256,070.64

Finding the Fourth Proportional to 447,049.20, 616,881.24 and 256,070.64

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Solution

The fourth proportional to 447,049.20, 616,881.24 and 256,070.64 is: 353,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,049.20 : 616,881.24 = 256,070.64 : x
  2. Step 2: Convert to fraction form
    447,049.20/616,881.24 = 256,070.64/x
  3. Step 3: Cross multiply
    447,049.20x = 616,881.24 × 256,070.64
  4. Step 4: Simplify right side
    447,049.20x = 157,965,173,930.79
  5. Step 5: Solve for x
    x = 157,965,173,930.79/447,049.20
  6. Step 6: Final answer
    x = 353,350.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.