Home / 679,382.10-1,019,069.51-173,942.10

Finding the Fourth Proportional to 679,382.10, 1,019,069.51 and 173,942.10

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Solution

The fourth proportional to 679,382.10, 1,019,069.51 and 173,942.10 is: 260,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,382.10 : 1,019,069.51 = 173,942.10 : x
  2. Step 2: Convert to fraction form
    679,382.10/1,019,069.51 = 173,942.10/x
  3. Step 3: Cross multiply
    679,382.10x = 1,019,069.51 × 173,942.10
  4. Step 4: Simplify right side
    679,382.10x = 177,259,089,745.66
  5. Step 5: Solve for x
    x = 177,259,089,745.66/679,382.10
  6. Step 6: Final answer
    x = 260,912.22

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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.