Home / 445,949.43-615,921.48-293,668.62

Finding the Fourth Proportional to 445,949.43, 615,921.48 and 293,668.62

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Solution

The fourth proportional to 445,949.43, 615,921.48 and 293,668.62 is: 405,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,949.43 : 615,921.48 = 293,668.62 : x
  2. Step 2: Convert to fraction form
    445,949.43/615,921.48 = 293,668.62/x
  3. Step 3: Cross multiply
    445,949.43x = 615,921.48 × 293,668.62
  4. Step 4: Simplify right side
    445,949.43x = 180,876,811,059.96
  5. Step 5: Solve for x
    x = 180,876,811,059.96/445,949.43
  6. Step 6: Final answer
    x = 405,599.38

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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.