Home / 405,826.75-608,739.62-162,777.54

Finding the Fourth Proportional to 405,826.75, 608,739.62 and 162,777.54

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Solution

The fourth proportional to 405,826.75, 608,739.62 and 162,777.54 is: 244,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,826.75 : 608,739.62 = 162,777.54 : x
  2. Step 2: Convert to fraction form
    405,826.75/608,739.62 = 162,777.54/x
  3. Step 3: Cross multiply
    405,826.75x = 608,739.62 × 162,777.54
  4. Step 4: Simplify right side
    405,826.75x = 99,089,137,030.25
  5. Step 5: Solve for x
    x = 99,089,137,030.25/405,826.75
  6. Step 6: Final answer
    x = 244,166.11

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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.