Home / 655,787.36-983,716.14-206,543.24

Finding the Fourth Proportional to 655,787.36, 983,716.14 and 206,543.24

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Solution

The fourth proportional to 655,787.36, 983,716.14 and 206,543.24 is: 309,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,787.36 : 983,716.14 = 206,543.24 : x
  2. Step 2: Convert to fraction form
    655,787.36/983,716.14 = 206,543.24/x
  3. Step 3: Cross multiply
    655,787.36x = 983,716.14 × 206,543.24
  4. Step 4: Simplify right side
    655,787.36x = 203,179,918,795.89
  5. Step 5: Solve for x
    x = 203,179,918,795.89/655,787.36
  6. Step 6: Final answer
    x = 309,825.91

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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.