Home / 414,531.20-621,796.80-177,833.60

Finding the Fourth Proportional to 414,531.20, 621,796.80 and 177,833.60

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Solution

The fourth proportional to 414,531.20, 621,796.80 and 177,833.60 is: 266,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,531.20 : 621,796.80 = 177,833.60 : x
  2. Step 2: Convert to fraction form
    414,531.20/621,796.80 = 177,833.60/x
  3. Step 3: Cross multiply
    414,531.20x = 621,796.80 × 177,833.60
  4. Step 4: Simplify right side
    414,531.20x = 110,576,363,412.48
  5. Step 5: Solve for x
    x = 110,576,363,412.48/414,531.20
  6. Step 6: Final answer
    x = 266,750.40

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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.