Home / 515,949.45-773,570.88-262,739.79

Finding the Fourth Proportional to 515,949.45, 773,570.88 and 262,739.79

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Solution

The fourth proportional to 515,949.45, 773,570.88 and 262,739.79 is: 393,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,949.45 : 773,570.88 = 262,739.79 : x
  2. Step 2: Convert to fraction form
    515,949.45/773,570.88 = 262,739.79/x
  3. Step 3: Cross multiply
    515,949.45x = 773,570.88 × 262,739.79
  4. Step 4: Simplify right side
    515,949.45x = 203,247,850,561.32
  5. Step 5: Solve for x
    x = 203,247,850,561.32/515,949.45
  6. Step 6: Final answer
    x = 393,929.77

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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.