Home / 413,120.53-619,684.25-113,617.54

Finding the Fourth Proportional to 413,120.53, 619,684.25 and 113,617.54

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Solution

The fourth proportional to 413,120.53, 619,684.25 and 113,617.54 is: 170,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,120.53 : 619,684.25 = 113,617.54 : x
  2. Step 2: Convert to fraction form
    413,120.53/619,684.25 = 113,617.54/x
  3. Step 3: Cross multiply
    413,120.53x = 619,684.25 × 113,617.54
  4. Step 4: Simplify right side
    413,120.53x = 70,406,997,102.09
  5. Step 5: Solve for x
    x = 70,406,997,102.09/413,120.53
  6. Step 6: Final answer
    x = 170,427.25

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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.