Home / 436,372.96-654,559.44-120,829.72

Finding the Fourth Proportional to 436,372.96, 654,559.44 and 120,829.72

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Solution

The fourth proportional to 436,372.96, 654,559.44 and 120,829.72 is: 181,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,372.96 : 654,559.44 = 120,829.72 : x
  2. Step 2: Convert to fraction form
    436,372.96/654,559.44 = 120,829.72/x
  3. Step 3: Cross multiply
    436,372.96x = 654,559.44 × 120,829.72
  4. Step 4: Simplify right side
    436,372.96x = 79,090,233,858.56
  5. Step 5: Solve for x
    x = 79,090,233,858.56/436,372.96
  6. Step 6: Final answer
    x = 181,244.58

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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.