Home / 1,781,496.72-2,672,687.96-519,335.44

Finding the Fourth Proportional to 1,781,496.72, 2,672,687.96 and 519,335.44

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Solution

The fourth proportional to 1,781,496.72, 2,672,687.96 and 519,335.44 is: 779,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,496.72 : 2,672,687.96 = 519,335.44 : x
  2. Step 2: Convert to fraction form
    1,781,496.72/2,672,687.96 = 519,335.44/x
  3. Step 3: Cross multiply
    1,781,496.72x = 2,672,687.96 × 519,335.44
  4. Step 4: Simplify right side
    1,781,496.72x = 1,388,021,577,689.30
  5. Step 5: Solve for x
    x = 1,388,021,577,689.30/1,781,496.72
  6. Step 6: Final answer
    x = 779,132.27

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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.