Home / 807,998.09-1,115,003.19-440,467.27

Finding the Fourth Proportional to 807,998.09, 1,115,003.19 and 440,467.27

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Solution

The fourth proportional to 807,998.09, 1,115,003.19 and 440,467.27 is: 607,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,998.09 : 1,115,003.19 = 440,467.27 : x
  2. Step 2: Convert to fraction form
    807,998.09/1,115,003.19 = 440,467.27/x
  3. Step 3: Cross multiply
    807,998.09x = 1,115,003.19 × 440,467.27
  4. Step 4: Simplify right side
    807,998.09x = 491,122,409,849.97
  5. Step 5: Solve for x
    x = 491,122,409,849.97/807,998.09
  6. Step 6: Final answer
    x = 607,826.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.