Home / 404,122.20-607,058.10-389,250.60

Finding the Fourth Proportional to 404,122.20, 607,058.10 and 389,250.60

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Solution

The fourth proportional to 404,122.20, 607,058.10 and 389,250.60 is: 584,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,122.20 : 607,058.10 = 389,250.60 : x
  2. Step 2: Convert to fraction form
    404,122.20/607,058.10 = 389,250.60/x
  3. Step 3: Cross multiply
    404,122.20x = 607,058.10 × 389,250.60
  4. Step 4: Simplify right side
    404,122.20x = 236,297,729,659.86
  5. Step 5: Solve for x
    x = 236,297,729,659.86/404,122.20
  6. Step 6: Final answer
    x = 584,718.51

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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.