Home / 804,196.43-1,109,513.66-513,977.87

Finding the Fourth Proportional to 804,196.43, 1,109,513.66 and 513,977.87

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Solution

The fourth proportional to 804,196.43, 1,109,513.66 and 513,977.87 is: 709,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,196.43 : 1,109,513.66 = 513,977.87 : x
  2. Step 2: Convert to fraction form
    804,196.43/1,109,513.66 = 513,977.87/x
  3. Step 3: Cross multiply
    804,196.43x = 1,109,513.66 × 513,977.87
  4. Step 4: Simplify right side
    804,196.43x = 570,265,467,906.60
  5. Step 5: Solve for x
    x = 570,265,467,906.60/804,196.43
  6. Step 6: Final answer
    x = 709,112.16

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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.