Home / 1,188,138.66-1,781,496.27-378,173.22

Finding the Fourth Proportional to 1,188,138.66, 1,781,496.27 and 378,173.22

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Solution

The fourth proportional to 1,188,138.66, 1,781,496.27 and 378,173.22 is: 567,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,138.66 : 1,781,496.27 = 378,173.22 : x
  2. Step 2: Convert to fraction form
    1,188,138.66/1,781,496.27 = 378,173.22/x
  3. Step 3: Cross multiply
    1,188,138.66x = 1,781,496.27 × 378,173.22
  4. Step 4: Simplify right side
    1,188,138.66x = 673,714,180,843.89
  5. Step 5: Solve for x
    x = 673,714,180,843.89/1,188,138.66
  6. Step 6: Final answer
    x = 567,033.30

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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.