Home / 814,107.27-1,122,170.34-641,744.34

Finding the Fourth Proportional to 814,107.27, 1,122,170.34 and 641,744.34

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Solution

The fourth proportional to 814,107.27, 1,122,170.34 and 641,744.34 is: 884,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,107.27 : 1,122,170.34 = 641,744.34 : x
  2. Step 2: Convert to fraction form
    814,107.27/1,122,170.34 = 641,744.34/x
  3. Step 3: Cross multiply
    814,107.27x = 1,122,170.34 × 641,744.34
  4. Step 4: Simplify right side
    814,107.27x = 720,146,464,210.88
  5. Step 5: Solve for x
    x = 720,146,464,210.88/814,107.27
  6. Step 6: Final answer
    x = 884,584.24

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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.