Home / 627,128.28-940,754.70-200,556.93

Finding the Fourth Proportional to 627,128.28, 940,754.70 and 200,556.93

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Solution

The fourth proportional to 627,128.28, 940,754.70 and 200,556.93 is: 300,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,128.28 : 940,754.70 = 200,556.93 : x
  2. Step 2: Convert to fraction form
    627,128.28/940,754.70 = 200,556.93/x
  3. Step 3: Cross multiply
    627,128.28x = 940,754.70 × 200,556.93
  4. Step 4: Simplify right side
    627,128.28x = 188,674,874,515.07
  5. Step 5: Solve for x
    x = 188,674,874,515.07/627,128.28
  6. Step 6: Final answer
    x = 300,855.31

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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.