Home / 1,438,680.44-1,985,379.17-794,100.81

Finding the Fourth Proportional to 1,438,680.44, 1,985,379.17 and 794,100.81

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Solution

The fourth proportional to 1,438,680.44, 1,985,379.17 and 794,100.81 is: 1,095,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,680.44 : 1,985,379.17 = 794,100.81 : x
  2. Step 2: Convert to fraction form
    1,438,680.44/1,985,379.17 = 794,100.81/x
  3. Step 3: Cross multiply
    1,438,680.44x = 1,985,379.17 × 794,100.81
  4. Step 4: Simplify right side
    1,438,680.44x = 1,576,591,207,054.13
  5. Step 5: Solve for x
    x = 1,576,591,207,054.13/1,438,680.44
  6. Step 6: Final answer
    x = 1,095,859.21

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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.