Home / 1,781,791.80-2,672,403.30-519,324.12

Finding the Fourth Proportional to 1,781,791.80, 2,672,403.30 and 519,324.12

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Solution

The fourth proportional to 1,781,791.80, 2,672,403.30 and 519,324.12 is: 778,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,791.80 : 2,672,403.30 = 519,324.12 : x
  2. Step 2: Convert to fraction form
    1,781,791.80/2,672,403.30 = 519,324.12/x
  3. Step 3: Cross multiply
    1,781,791.80x = 2,672,403.30 × 519,324.12
  4. Step 4: Simplify right side
    1,781,791.80x = 1,387,843,492,057.60
  5. Step 5: Solve for x
    x = 1,387,843,492,057.60/1,781,791.80
  6. Step 6: Final answer
    x = 778,903.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.