Home / 515,863.26-773,074.08-439,563.24

Finding the Fourth Proportional to 515,863.26, 773,074.08 and 439,563.24

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Solution

The fourth proportional to 515,863.26, 773,074.08 and 439,563.24 is: 658,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,863.26 : 773,074.08 = 439,563.24 : x
  2. Step 2: Convert to fraction form
    515,863.26/773,074.08 = 439,563.24/x
  3. Step 3: Cross multiply
    515,863.26x = 773,074.08 × 439,563.24
  4. Step 4: Simplify right side
    515,863.26x = 339,814,947,364.82
  5. Step 5: Solve for x
    x = 339,814,947,364.82/515,863.26
  6. Step 6: Final answer
    x = 658,730.66

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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.