Home / 994,876.09-1,372,539.26-612,238.57

Finding the Fourth Proportional to 994,876.09, 1,372,539.26 and 612,238.57

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Solution

The fourth proportional to 994,876.09, 1,372,539.26 and 612,238.57 is: 844,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,876.09 : 1,372,539.26 = 612,238.57 : x
  2. Step 2: Convert to fraction form
    994,876.09/1,372,539.26 = 612,238.57/x
  3. Step 3: Cross multiply
    994,876.09x = 1,372,539.26 × 612,238.57
  4. Step 4: Simplify right side
    994,876.09x = 840,321,471,910.51
  5. Step 5: Solve for x
    x = 840,321,471,910.51/994,876.09
  6. Step 6: Final answer
    x = 844,649.38

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Double scale
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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.