Home / 440,713.28-608,167.20-239,504.96

Finding the Fourth Proportional to 440,713.28, 608,167.20 and 239,504.96

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Solution

The fourth proportional to 440,713.28, 608,167.20 and 239,504.96 is: 330,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,713.28 : 608,167.20 = 239,504.96 : x
  2. Step 2: Convert to fraction form
    440,713.28/608,167.20 = 239,504.96/x
  3. Step 3: Cross multiply
    440,713.28x = 608,167.20 × 239,504.96
  4. Step 4: Simplify right side
    440,713.28x = 145,659,060,909.31
  5. Step 5: Solve for x
    x = 145,659,060,909.31/440,713.28
  6. Step 6: Final answer
    x = 330,507.54

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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.