Home / 979,879.71-1,352,251.32-544,336.44

Finding the Fourth Proportional to 979,879.71, 1,352,251.32 and 544,336.44

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Solution

The fourth proportional to 979,879.71, 1,352,251.32 and 544,336.44 is: 751,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,879.71 : 1,352,251.32 = 544,336.44 : x
  2. Step 2: Convert to fraction form
    979,879.71/1,352,251.32 = 544,336.44/x
  3. Step 3: Cross multiply
    979,879.71x = 1,352,251.32 × 544,336.44
  4. Step 4: Simplify right side
    979,879.71x = 736,079,668,489.43
  5. Step 5: Solve for x
    x = 736,079,668,489.43/979,879.71
  6. Step 6: Final answer
    x = 751,193.91

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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.