Home / 515,787.64-772,675.01-337,754.90

Finding the Fourth Proportional to 515,787.64, 772,675.01 and 337,754.90

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Solution

The fourth proportional to 515,787.64, 772,675.01 and 337,754.90 is: 505,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,787.64 : 772,675.01 = 337,754.90 : x
  2. Step 2: Convert to fraction form
    515,787.64/772,675.01 = 337,754.90/x
  3. Step 3: Cross multiply
    515,787.64x = 772,675.01 × 337,754.90
  4. Step 4: Simplify right side
    515,787.64x = 260,974,770,735.05
  5. Step 5: Solve for x
    x = 260,974,770,735.05/515,787.64
  6. Step 6: Final answer
    x = 505,973.29

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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.