Home / 1,359,840.78-2,040,096.51-413,161.38

Finding the Fourth Proportional to 1,359,840.78, 2,040,096.51 and 413,161.38

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Solution

The fourth proportional to 1,359,840.78, 2,040,096.51 and 413,161.38 is: 619,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,840.78 : 2,040,096.51 = 413,161.38 : x
  2. Step 2: Convert to fraction form
    1,359,840.78/2,040,096.51 = 413,161.38/x
  3. Step 3: Cross multiply
    1,359,840.78x = 2,040,096.51 × 413,161.38
  4. Step 4: Simplify right side
    1,359,840.78x = 842,889,089,404.78
  5. Step 5: Solve for x
    x = 842,889,089,404.78/1,359,840.78
  6. Step 6: Final answer
    x = 619,843.96

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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.