Home / 1,253,169.51-1,879,764.39-354,640.56

Finding the Fourth Proportional to 1,253,169.51, 1,879,764.39 and 354,640.56

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Solution

The fourth proportional to 1,253,169.51, 1,879,764.39 and 354,640.56 is: 531,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,169.51 : 1,879,764.39 = 354,640.56 : x
  2. Step 2: Convert to fraction form
    1,253,169.51/1,879,764.39 = 354,640.56/x
  3. Step 3: Cross multiply
    1,253,169.51x = 1,879,764.39 × 354,640.56
  4. Step 4: Simplify right side
    1,253,169.51x = 666,640,695,937.66
  5. Step 5: Solve for x
    x = 666,640,695,937.66/1,253,169.51
  6. Step 6: Final answer
    x = 531,963.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.