Home / 1,093,067.28-1,508,564.46-640,358.28

Finding the Fourth Proportional to 1,093,067.28, 1,508,564.46 and 640,358.28

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Solution

The fourth proportional to 1,093,067.28, 1,508,564.46 and 640,358.28 is: 883,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,067.28 : 1,508,564.46 = 640,358.28 : x
  2. Step 2: Convert to fraction form
    1,093,067.28/1,508,564.46 = 640,358.28/x
  3. Step 3: Cross multiply
    1,093,067.28x = 1,508,564.46 × 640,358.28
  4. Step 4: Simplify right side
    1,093,067.28x = 966,021,742,874.73
  5. Step 5: Solve for x
    x = 966,021,742,874.73/1,093,067.28
  6. Step 6: Final answer
    x = 883,771.53

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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.