Home / 694,459.77-958,556.19-404,139.16

Finding the Fourth Proportional to 694,459.77, 958,556.19 and 404,139.16

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Solution

The fourth proportional to 694,459.77, 958,556.19 and 404,139.16 is: 557,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,459.77 : 958,556.19 = 404,139.16 : x
  2. Step 2: Convert to fraction form
    694,459.77/958,556.19 = 404,139.16/x
  3. Step 3: Cross multiply
    694,459.77x = 958,556.19 × 404,139.16
  4. Step 4: Simplify right side
    694,459.77x = 387,390,093,439.40
  5. Step 5: Solve for x
    x = 387,390,093,439.40/694,459.77
  6. Step 6: Final answer
    x = 557,829.42

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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.