Home / 866,556.63-1,195,825.78-479,361.96

Finding the Fourth Proportional to 866,556.63, 1,195,825.78 and 479,361.96

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Solution

The fourth proportional to 866,556.63, 1,195,825.78 and 479,361.96 is: 661,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,556.63 : 1,195,825.78 = 479,361.96 : x
  2. Step 2: Convert to fraction form
    866,556.63/1,195,825.78 = 479,361.96/x
  3. Step 3: Cross multiply
    866,556.63x = 1,195,825.78 × 479,361.96
  4. Step 4: Simplify right side
    866,556.63x = 573,233,389,719.33
  5. Step 5: Solve for x
    x = 573,233,389,719.33/866,556.63
  6. Step 6: Final answer
    x = 661,507.13

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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.