Home / 526,610.08-789,764.32-171,655.12

Finding the Fourth Proportional to 526,610.08, 789,764.32 and 171,655.12

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Solution

The fourth proportional to 526,610.08, 789,764.32 and 171,655.12 is: 257,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,610.08 : 789,764.32 = 171,655.12 : x
  2. Step 2: Convert to fraction form
    526,610.08/789,764.32 = 171,655.12/x
  3. Step 3: Cross multiply
    526,610.08x = 789,764.32 × 171,655.12
  4. Step 4: Simplify right side
    526,610.08x = 135,567,089,121.32
  5. Step 5: Solve for x
    x = 135,567,089,121.32/526,610.08
  6. Step 6: Final answer
    x = 257,433.52

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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.