Home / 886,046.40-1,222,318.20-579,987.96

Finding the Fourth Proportional to 886,046.40, 1,222,318.20 and 579,987.96

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Solution

The fourth proportional to 886,046.40, 1,222,318.20 and 579,987.96 is: 800,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,046.40 : 1,222,318.20 = 579,987.96 : x
  2. Step 2: Convert to fraction form
    886,046.40/1,222,318.20 = 579,987.96/x
  3. Step 3: Cross multiply
    886,046.40x = 1,222,318.20 × 579,987.96
  4. Step 4: Simplify right side
    886,046.40x = 708,929,839,288.87
  5. Step 5: Solve for x
    x = 708,929,839,288.87/886,046.40
  6. Step 6: Final answer
    x = 800,104.64

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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.