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Finding the Fourth Proportional to 1,144,747.22, 1,579,672.14 and 635,409.50

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Solution

The fourth proportional to 1,144,747.22, 1,579,672.14 and 635,409.50 is: 876,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,747.22 : 1,579,672.14 = 635,409.50 : x
  2. Step 2: Convert to fraction form
    1,144,747.22/1,579,672.14 = 635,409.50/x
  3. Step 3: Cross multiply
    1,144,747.22x = 1,579,672.14 × 635,409.50
  4. Step 4: Simplify right side
    1,144,747.22x = 1,003,738,684,641.33
  5. Step 5: Solve for x
    x = 1,003,738,684,641.33/1,144,747.22
  6. Step 6: Final answer
    x = 876,821.25

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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.