Home / 440,247.56-607,636.67-268,221.78

Finding the Fourth Proportional to 440,247.56, 607,636.67 and 268,221.78

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Solution

The fourth proportional to 440,247.56, 607,636.67 and 268,221.78 is: 370,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,247.56 : 607,636.67 = 268,221.78 : x
  2. Step 2: Convert to fraction form
    440,247.56/607,636.67 = 268,221.78/x
  3. Step 3: Cross multiply
    440,247.56x = 607,636.67 × 268,221.78
  4. Step 4: Simplify right side
    440,247.56x = 162,981,387,879.56
  5. Step 5: Solve for x
    x = 162,981,387,879.56/440,247.56
  6. Step 6: Final answer
    x = 370,203.96

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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.