Home / 868,647.72-1,198,805.66-481,584.59

Finding the Fourth Proportional to 868,647.72, 1,198,805.66 and 481,584.59

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Solution

The fourth proportional to 868,647.72, 1,198,805.66 and 481,584.59 is: 664,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,647.72 : 1,198,805.66 = 481,584.59 : x
  2. Step 2: Convert to fraction form
    868,647.72/1,198,805.66 = 481,584.59/x
  3. Step 3: Cross multiply
    868,647.72x = 1,198,805.66 × 481,584.59
  4. Step 4: Simplify right side
    868,647.72x = 577,326,336,461.76
  5. Step 5: Solve for x
    x = 577,326,336,461.76/868,647.72
  6. Step 6: Final answer
    x = 664,626.55

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1.5x scale

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.