Home / 1,236,407.80-1,854,135.42-437,540.44

Finding the Fourth Proportional to 1,236,407.80, 1,854,135.42 and 437,540.44

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Solution

The fourth proportional to 1,236,407.80, 1,854,135.42 and 437,540.44 is: 656,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,407.80 : 1,854,135.42 = 437,540.44 : x
  2. Step 2: Convert to fraction form
    1,236,407.80/1,854,135.42 = 437,540.44/x
  3. Step 3: Cross multiply
    1,236,407.80x = 1,854,135.42 × 437,540.44
  4. Step 4: Simplify right side
    1,236,407.80x = 811,259,227,486.39
  5. Step 5: Solve for x
    x = 811,259,227,486.39/1,236,407.80
  6. Step 6: Final answer
    x = 656,142.11

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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.