Home / 1,310,556.51-1,965,833.37-412,076.79

Finding the Fourth Proportional to 1,310,556.51, 1,965,833.37 and 412,076.79

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Solution

The fourth proportional to 1,310,556.51, 1,965,833.37 and 412,076.79 is: 618,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,556.51 : 1,965,833.37 = 412,076.79 : x
  2. Step 2: Convert to fraction form
    1,310,556.51/1,965,833.37 = 412,076.79/x
  3. Step 3: Cross multiply
    1,310,556.51x = 1,965,833.37 × 412,076.79
  4. Step 4: Simplify right side
    1,310,556.51x = 810,074,304,784.48
  5. Step 5: Solve for x
    x = 810,074,304,784.48/1,310,556.51
  6. Step 6: Final answer
    x = 618,114.75

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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.