Home / 662,976.05-995,331.32-393,595.97

Finding the Fourth Proportional to 662,976.05, 995,331.32 and 393,595.97

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Solution

The fourth proportional to 662,976.05, 995,331.32 and 393,595.97 is: 590,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,976.05 : 995,331.32 = 393,595.97 : x
  2. Step 2: Convert to fraction form
    662,976.05/995,331.32 = 393,595.97/x
  3. Step 3: Cross multiply
    662,976.05x = 995,331.32 × 393,595.97
  4. Step 4: Simplify right side
    662,976.05x = 391,758,394,398.80
  5. Step 5: Solve for x
    x = 391,758,394,398.80/662,976.05
  6. Step 6: Final answer
    x = 590,908.82

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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.