Home / 515,786.64-772,673.51-337,753.90

Finding the Fourth Proportional to 515,786.64, 772,673.51 and 337,753.90

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Solution

The fourth proportional to 515,786.64, 772,673.51 and 337,753.90 is: 505,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,786.64 : 772,673.51 = 337,753.90 : x
  2. Step 2: Convert to fraction form
    515,786.64/772,673.51 = 337,753.90/x
  3. Step 3: Cross multiply
    515,786.64x = 772,673.51 × 337,753.90
  4. Step 4: Simplify right side
    515,786.64x = 260,973,493,239.42
  5. Step 5: Solve for x
    x = 260,973,493,239.42/515,786.64
  6. Step 6: Final answer
    x = 505,971.80

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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.