Home / 786,186.23-1,179,556.07-387,107.33

Finding the Fourth Proportional to 786,186.23, 1,179,556.07 and 387,107.33

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Solution

The fourth proportional to 786,186.23, 1,179,556.07 and 387,107.33 is: 580,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,186.23 : 1,179,556.07 = 387,107.33 : x
  2. Step 2: Convert to fraction form
    786,186.23/1,179,556.07 = 387,107.33/x
  3. Step 3: Cross multiply
    786,186.23x = 1,179,556.07 × 387,107.33
  4. Step 4: Simplify right side
    786,186.23x = 456,614,793,009.68
  5. Step 5: Solve for x
    x = 456,614,793,009.68/786,186.23
  6. Step 6: Final answer
    x = 580,797.24

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Double scale
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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.