Home / 619,606.97-929,454.87-259,415.36

Finding the Fourth Proportional to 619,606.97, 929,454.87 and 259,415.36

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Solution

The fourth proportional to 619,606.97, 929,454.87 and 259,415.36 is: 389,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,606.97 : 929,454.87 = 259,415.36 : x
  2. Step 2: Convert to fraction form
    619,606.97/929,454.87 = 259,415.36/x
  3. Step 3: Cross multiply
    619,606.97x = 929,454.87 × 259,415.36
  4. Step 4: Simplify right side
    619,606.97x = 241,114,865,057.53
  5. Step 5: Solve for x
    x = 241,114,865,057.53/619,606.97
  6. Step 6: Final answer
    x = 389,141.63

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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.