Home / 1,120,434.43-1,546,319.27-685,106.92

Finding the Fourth Proportional to 1,120,434.43, 1,546,319.27 and 685,106.92

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Solution

The fourth proportional to 1,120,434.43, 1,546,319.27 and 685,106.92 is: 945,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,434.43 : 1,546,319.27 = 685,106.92 : x
  2. Step 2: Convert to fraction form
    1,120,434.43/1,546,319.27 = 685,106.92/x
  3. Step 3: Cross multiply
    1,120,434.43x = 1,546,319.27 × 685,106.92
  4. Step 4: Simplify right side
    1,120,434.43x = 1,059,394,032,406.35
  5. Step 5: Solve for x
    x = 1,059,394,032,406.35/1,120,434.43
  6. Step 6: Final answer
    x = 945,520.78

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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.