Home / 440,840.46-607,796.67-285,517.38

Finding the Fourth Proportional to 440,840.46, 607,796.67 and 285,517.38

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Solution

The fourth proportional to 440,840.46, 607,796.67 and 285,517.38 is: 393,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,840.46 : 607,796.67 = 285,517.38 : x
  2. Step 2: Convert to fraction form
    440,840.46/607,796.67 = 285,517.38/x
  3. Step 3: Cross multiply
    440,840.46x = 607,796.67 × 285,517.38
  4. Step 4: Simplify right side
    440,840.46x = 173,536,512,791.13
  5. Step 5: Solve for x
    x = 173,536,512,791.13/440,840.46
  6. Step 6: Final answer
    x = 393,649.24

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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.