Home / 1,217,832.22-1,680,611.66-674,005.51

Finding the Fourth Proportional to 1,217,832.22, 1,680,611.66 and 674,005.51

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Solution

The fourth proportional to 1,217,832.22, 1,680,611.66 and 674,005.51 is: 930,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,832.22 : 1,680,611.66 = 674,005.51 : x
  2. Step 2: Convert to fraction form
    1,217,832.22/1,680,611.66 = 674,005.51/x
  3. Step 3: Cross multiply
    1,217,832.22x = 1,680,611.66 × 674,005.51
  4. Step 4: Simplify right side
    1,217,832.22x = 1,132,741,515,640.22
  5. Step 5: Solve for x
    x = 1,132,741,515,640.22/1,217,832.22
  6. Step 6: Final answer
    x = 930,129.37

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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.