Home / 445,540.70-614,789.52-254,566.46

Finding the Fourth Proportional to 445,540.70, 614,789.52 and 254,566.46

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Solution

The fourth proportional to 445,540.70, 614,789.52 and 254,566.46 is: 351,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,540.70 : 614,789.52 = 254,566.46 : x
  2. Step 2: Convert to fraction form
    445,540.70/614,789.52 = 254,566.46/x
  3. Step 3: Cross multiply
    445,540.70x = 614,789.52 × 254,566.46
  4. Step 4: Simplify right side
    445,540.70x = 156,504,791,751.50
  5. Step 5: Solve for x
    x = 156,504,791,751.50/445,540.70
  6. Step 6: Final answer
    x = 351,269.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.