Home / 279,743.43-419,618.06-223,938.28

Finding the Fourth Proportional to 279,743.43, 419,618.06 and 223,938.28

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Solution

The fourth proportional to 279,743.43, 419,618.06 and 223,938.28 is: 335,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,743.43 : 419,618.06 = 223,938.28 : x
  2. Step 2: Convert to fraction form
    279,743.43/419,618.06 = 223,938.28/x
  3. Step 3: Cross multiply
    279,743.43x = 419,618.06 × 223,938.28
  4. Step 4: Simplify right side
    279,743.43x = 93,968,546,613.34
  5. Step 5: Solve for x
    x = 93,968,546,613.34/279,743.43
  6. Step 6: Final answer
    x = 335,909.75

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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.