Home / 404,056.70-605,987.85-123,576.38

Finding the Fourth Proportional to 404,056.70, 605,987.85 and 123,576.38

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Solution

The fourth proportional to 404,056.70, 605,987.85 and 123,576.38 is: 185,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,056.70 : 605,987.85 = 123,576.38 : x
  2. Step 2: Convert to fraction form
    404,056.70/605,987.85 = 123,576.38/x
  3. Step 3: Cross multiply
    404,056.70x = 605,987.85 × 123,576.38
  4. Step 4: Simplify right side
    404,056.70x = 74,885,784,826.98
  5. Step 5: Solve for x
    x = 74,885,784,826.98/404,056.70
  6. Step 6: Final answer
    x = 185,334.84

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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.