Home / 936,997.80-1,405,496.70-404,147.40

Finding the Fourth Proportional to 936,997.80, 1,405,496.70 and 404,147.40

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Solution

The fourth proportional to 936,997.80, 1,405,496.70 and 404,147.40 is: 606,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,997.80 : 1,405,496.70 = 404,147.40 : x
  2. Step 2: Convert to fraction form
    936,997.80/1,405,496.70 = 404,147.40/x
  3. Step 3: Cross multiply
    936,997.80x = 1,405,496.70 × 404,147.40
  4. Step 4: Simplify right side
    936,997.80x = 568,027,837,013.58
  5. Step 5: Solve for x
    x = 568,027,837,013.58/936,997.80
  6. Step 6: Final answer
    x = 606,221.10

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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.