Home / 440,659.50-660,987.63-125,116.44

Finding the Fourth Proportional to 440,659.50, 660,987.63 and 125,116.44

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Solution

The fourth proportional to 440,659.50, 660,987.63 and 125,116.44 is: 187,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,659.50 : 660,987.63 = 125,116.44 : x
  2. Step 2: Convert to fraction form
    440,659.50/660,987.63 = 125,116.44/x
  3. Step 3: Cross multiply
    440,659.50x = 660,987.63 × 125,116.44
  4. Step 4: Simplify right side
    440,659.50x = 82,700,419,149.64
  5. Step 5: Solve for x
    x = 82,700,419,149.64/440,659.50
  6. Step 6: Final answer
    x = 187,674.20

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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.