Home / 406,734.24-613,221.72-379,293.92

Finding the Fourth Proportional to 406,734.24, 613,221.72 and 379,293.92

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Solution

The fourth proportional to 406,734.24, 613,221.72 and 379,293.92 is: 571,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,734.24 : 613,221.72 = 379,293.92 : x
  2. Step 2: Convert to fraction form
    406,734.24/613,221.72 = 379,293.92/x
  3. Step 3: Cross multiply
    406,734.24x = 613,221.72 × 379,293.92
  4. Step 4: Simplify right side
    406,734.24x = 232,591,270,007.94
  5. Step 5: Solve for x
    x = 232,591,270,007.94/406,734.24
  6. Step 6: Final answer
    x = 571,850.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.