Home / 729,530.20-1,092,156.90-519,578.20

Finding the Fourth Proportional to 729,530.20, 1,092,156.90 and 519,578.20

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Solution

The fourth proportional to 729,530.20, 1,092,156.90 and 519,578.20 is: 777,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,530.20 : 1,092,156.90 = 519,578.20 : x
  2. Step 2: Convert to fraction form
    729,530.20/1,092,156.90 = 519,578.20/x
  3. Step 3: Cross multiply
    729,530.20x = 1,092,156.90 × 519,578.20
  4. Step 4: Simplify right side
    729,530.20x = 567,460,916,219.58
  5. Step 5: Solve for x
    x = 567,460,916,219.58/729,530.20
  6. Step 6: Final answer
    x = 777,844.31

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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.