Home / 626,907.56-865,270.20-412,067.60

Finding the Fourth Proportional to 626,907.56, 865,270.20 and 412,067.60

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Solution

The fourth proportional to 626,907.56, 865,270.20 and 412,067.60 is: 568,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,907.56 : 865,270.20 = 412,067.60 : x
  2. Step 2: Convert to fraction form
    626,907.56/865,270.20 = 412,067.60/x
  3. Step 3: Cross multiply
    626,907.56x = 865,270.20 × 412,067.60
  4. Step 4: Simplify right side
    626,907.56x = 356,549,814,665.52
  5. Step 5: Solve for x
    x = 356,549,814,665.52/626,907.56
  6. Step 6: Final answer
    x = 568,743.84

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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.