Home / 1,115,118.40-1,672,677.60-367,067.20

Finding the Fourth Proportional to 1,115,118.40, 1,672,677.60 and 367,067.20

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Solution

The fourth proportional to 1,115,118.40, 1,672,677.60 and 367,067.20 is: 550,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,118.40 : 1,672,677.60 = 367,067.20 : x
  2. Step 2: Convert to fraction form
    1,115,118.40/1,672,677.60 = 367,067.20/x
  3. Step 3: Cross multiply
    1,115,118.40x = 1,672,677.60 × 367,067.20
  4. Step 4: Simplify right side
    1,115,118.40x = 613,985,083,134.72
  5. Step 5: Solve for x
    x = 613,985,083,134.72/1,115,118.40
  6. Step 6: Final answer
    x = 550,600.80

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Double scale
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Similar ratio
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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.