Home / 414,548.60-621,822.90-148,317.80

Finding the Fourth Proportional to 414,548.60, 621,822.90 and 148,317.80

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Solution

The fourth proportional to 414,548.60, 621,822.90 and 148,317.80 is: 222,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,548.60 : 621,822.90 = 148,317.80 : x
  2. Step 2: Convert to fraction form
    414,548.60/621,822.90 = 148,317.80/x
  3. Step 3: Cross multiply
    414,548.60x = 621,822.90 × 148,317.80
  4. Step 4: Simplify right side
    414,548.60x = 92,227,404,517.62
  5. Step 5: Solve for x
    x = 92,227,404,517.62/414,548.60
  6. Step 6: Final answer
    x = 222,476.70

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1.5x scale

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.