Home / 1,027,830.87-1,418,943.83-640,764.27

Finding the Fourth Proportional to 1,027,830.87, 1,418,943.83 and 640,764.27

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Solution

The fourth proportional to 1,027,830.87, 1,418,943.83 and 640,764.27 is: 884,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,830.87 : 1,418,943.83 = 640,764.27 : x
  2. Step 2: Convert to fraction form
    1,027,830.87/1,418,943.83 = 640,764.27/x
  3. Step 3: Cross multiply
    1,027,830.87x = 1,418,943.83 × 640,764.27
  4. Step 4: Simplify right side
    1,027,830.87x = 909,208,504,197.13
  5. Step 5: Solve for x
    x = 909,208,504,197.13/1,027,830.87
  6. Step 6: Final answer
    x = 884,589.61

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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.