Home / 386,556.74-579,918.45-116,662.33

Finding the Fourth Proportional to 386,556.74, 579,918.45 and 116,662.33

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Solution

The fourth proportional to 386,556.74, 579,918.45 and 116,662.33 is: 175,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,556.74 : 579,918.45 = 116,662.33 : x
  2. Step 2: Convert to fraction form
    386,556.74/579,918.45 = 116,662.33/x
  3. Step 3: Cross multiply
    386,556.74x = 579,918.45 × 116,662.33
  4. Step 4: Simplify right side
    386,556.74x = 67,654,635,487.33
  5. Step 5: Solve for x
    x = 67,654,635,487.33/386,556.74
  6. Step 6: Final answer
    x = 175,018.64

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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.