Home / 505,766.88-758,763.30-190,226.52

Finding the Fourth Proportional to 505,766.88, 758,763.30 and 190,226.52

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Solution

The fourth proportional to 505,766.88, 758,763.30 and 190,226.52 is: 285,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,766.88 : 758,763.30 = 190,226.52 : x
  2. Step 2: Convert to fraction form
    505,766.88/758,763.30 = 190,226.52/x
  3. Step 3: Cross multiply
    505,766.88x = 758,763.30 × 190,226.52
  4. Step 4: Simplify right side
    505,766.88x = 144,336,902,062.72
  5. Step 5: Solve for x
    x = 144,336,902,062.72/505,766.88
  6. Step 6: Final answer
    x = 285,382.27

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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.