Home / 340,609.28-469,996.44-197,338.64

Finding the Fourth Proportional to 340,609.28, 469,996.44 and 197,338.64

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Solution

The fourth proportional to 340,609.28, 469,996.44 and 197,338.64 is: 272,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,609.28 : 469,996.44 = 197,338.64 : x
  2. Step 2: Convert to fraction form
    340,609.28/469,996.44 = 197,338.64/x
  3. Step 3: Cross multiply
    340,609.28x = 469,996.44 × 197,338.64
  4. Step 4: Simplify right side
    340,609.28x = 92,748,458,274.44
  5. Step 5: Solve for x
    x = 92,748,458,274.44/340,609.28
  6. Step 6: Final answer
    x = 272,301.62

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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.