Home / 793,967.82-1,093,672.14-640,576.78

Finding the Fourth Proportional to 793,967.82, 1,093,672.14 and 640,576.78

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Solution

The fourth proportional to 793,967.82, 1,093,672.14 and 640,576.78 is: 882,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,967.82 : 1,093,672.14 = 640,576.78 : x
  2. Step 2: Convert to fraction form
    793,967.82/1,093,672.14 = 640,576.78/x
  3. Step 3: Cross multiply
    793,967.82x = 1,093,672.14 × 640,576.78
  4. Step 4: Simplify right side
    793,967.82x = 700,580,977,816.91
  5. Step 5: Solve for x
    x = 700,580,977,816.91/793,967.82
  6. Step 6: Final answer
    x = 882,379.56

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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.