Home / 1,438,874.67-1,985,647.37-794,295.30

Finding the Fourth Proportional to 1,438,874.67, 1,985,647.37 and 794,295.30

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Solution

The fourth proportional to 1,438,874.67, 1,985,647.37 and 794,295.30 is: 1,096,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,874.67 : 1,985,647.37 = 794,295.30 : x
  2. Step 2: Convert to fraction form
    1,438,874.67/1,985,647.37 = 794,295.30/x
  3. Step 3: Cross multiply
    1,438,874.67x = 1,985,647.37 × 794,295.30
  4. Step 4: Simplify right side
    1,438,874.67x = 1,577,190,369,476.88
  5. Step 5: Solve for x
    x = 1,577,190,369,476.88/1,438,874.67
  6. Step 6: Final answer
    x = 1,096,127.69

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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.