Home / 1,427,513.90-1,970,024.42-782,961.26

Finding the Fourth Proportional to 1,427,513.90, 1,970,024.42 and 782,961.26

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Solution

The fourth proportional to 1,427,513.90, 1,970,024.42 and 782,961.26 is: 1,080,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,513.90 : 1,970,024.42 = 782,961.26 : x
  2. Step 2: Convert to fraction form
    1,427,513.90/1,970,024.42 = 782,961.26/x
  3. Step 3: Cross multiply
    1,427,513.90x = 1,970,024.42 × 782,961.26
  4. Step 4: Simplify right side
    1,427,513.90x = 1,542,452,794,221.25
  5. Step 5: Solve for x
    x = 1,542,452,794,221.25/1,427,513.90
  6. Step 6: Final answer
    x = 1,080,516.83

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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.