Home / 1,015,986.78-1,524,893.85-543,076.38

Finding the Fourth Proportional to 1,015,986.78, 1,524,893.85 and 543,076.38

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Solution

The fourth proportional to 1,015,986.78, 1,524,893.85 and 543,076.38 is: 815,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,986.78 : 1,524,893.85 = 543,076.38 : x
  2. Step 2: Convert to fraction form
    1,015,986.78/1,524,893.85 = 543,076.38/x
  3. Step 3: Cross multiply
    1,015,986.78x = 1,524,893.85 × 543,076.38
  4. Step 4: Simplify right side
    1,015,986.78x = 828,133,831,942.26
  5. Step 5: Solve for x
    x = 828,133,831,942.26/1,015,986.78
  6. Step 6: Final answer
    x = 815,102.96

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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.