Home / 1,305,668.32-1,801,360.37-853,221.76

Finding the Fourth Proportional to 1,305,668.32, 1,801,360.37 and 853,221.76

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Solution

The fourth proportional to 1,305,668.32, 1,801,360.37 and 853,221.76 is: 1,177,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,668.32 : 1,801,360.37 = 853,221.76 : x
  2. Step 2: Convert to fraction form
    1,305,668.32/1,801,360.37 = 853,221.76/x
  3. Step 3: Cross multiply
    1,305,668.32x = 1,801,360.37 × 853,221.76
  4. Step 4: Simplify right side
    1,305,668.32x = 1,536,959,862,915.30
  5. Step 5: Solve for x
    x = 1,536,959,862,915.30/1,305,668.32
  6. Step 6: Final answer
    x = 1,177,144.18

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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.