Home / 326,964.60-490,443.66-193,748.90

Finding the Fourth Proportional to 326,964.60, 490,443.66 and 193,748.90

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Solution

The fourth proportional to 326,964.60, 490,443.66 and 193,748.90 is: 290,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,964.60 : 490,443.66 = 193,748.90 : x
  2. Step 2: Convert to fraction form
    326,964.60/490,443.66 = 193,748.90/x
  3. Step 3: Cross multiply
    326,964.60x = 490,443.66 × 193,748.90
  4. Step 4: Simplify right side
    326,964.60x = 95,022,917,184.76
  5. Step 5: Solve for x
    x = 95,022,917,184.76/326,964.60
  6. Step 6: Final answer
    x = 290,621.42

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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.