Home / 397,577.43-596,557.71-197,915.40

Finding the Fourth Proportional to 397,577.43, 596,557.71 and 197,915.40

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Solution

The fourth proportional to 397,577.43, 596,557.71 and 197,915.40 is: 296,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,577.43 : 596,557.71 = 197,915.40 : x
  2. Step 2: Convert to fraction form
    397,577.43/596,557.71 = 197,915.40/x
  3. Step 3: Cross multiply
    397,577.43x = 596,557.71 × 197,915.40
  4. Step 4: Simplify right side
    397,577.43x = 118,067,957,797.73
  5. Step 5: Solve for x
    x = 118,067,957,797.73/397,577.43
  6. Step 6: Final answer
    x = 296,968.46

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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.