Home / 415,621.10-623,171.64-175,610.82

Finding the Fourth Proportional to 415,621.10, 623,171.64 and 175,610.82

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Solution

The fourth proportional to 415,621.10, 623,171.64 and 175,610.82 is: 263,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,621.10 : 623,171.64 = 175,610.82 : x
  2. Step 2: Convert to fraction form
    415,621.10/623,171.64 = 175,610.82/x
  3. Step 3: Cross multiply
    415,621.10x = 623,171.64 × 175,610.82
  4. Step 4: Simplify right side
    415,621.10x = 109,435,682,701.15
  5. Step 5: Solve for x
    x = 109,435,682,701.15/415,621.10
  6. Step 6: Final answer
    x = 263,306.37

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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.