Home / 695,467.62-1,043,201.40-379,752.30

Finding the Fourth Proportional to 695,467.62, 1,043,201.40 and 379,752.30

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Solution

The fourth proportional to 695,467.62, 1,043,201.40 and 379,752.30 is: 569,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,467.62 : 1,043,201.40 = 379,752.30 : x
  2. Step 2: Convert to fraction form
    695,467.62/1,043,201.40 = 379,752.30/x
  3. Step 3: Cross multiply
    695,467.62x = 1,043,201.40 × 379,752.30
  4. Step 4: Simplify right side
    695,467.62x = 396,158,131,013.22
  5. Step 5: Solve for x
    x = 396,158,131,013.22/695,467.62
  6. Step 6: Final answer
    x = 569,628.43

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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.