Home / 536,889.97-805,918.50-217,261.90

Finding the Fourth Proportional to 536,889.97, 805,918.50 and 217,261.90

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Solution

The fourth proportional to 536,889.97, 805,918.50 and 217,261.90 is: 326,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,889.97 : 805,918.50 = 217,261.90 : x
  2. Step 2: Convert to fraction form
    536,889.97/805,918.50 = 217,261.90/x
  3. Step 3: Cross multiply
    536,889.97x = 805,918.50 × 217,261.90
  4. Step 4: Simplify right side
    536,889.97x = 175,095,380,723.73
  5. Step 5: Solve for x
    x = 175,095,380,723.73/536,889.97
  6. Step 6: Final answer
    x = 326,128.98

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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.