Home / 768,481.56-1,152,777.69-295,166.84

Finding the Fourth Proportional to 768,481.56, 1,152,777.69 and 295,166.84

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Solution

The fourth proportional to 768,481.56, 1,152,777.69 and 295,166.84 is: 442,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,481.56 : 1,152,777.69 = 295,166.84 : x
  2. Step 2: Convert to fraction form
    768,481.56/1,152,777.69 = 295,166.84/x
  3. Step 3: Cross multiply
    768,481.56x = 1,152,777.69 × 295,166.84
  4. Step 4: Simplify right side
    768,481.56x = 340,261,742,215.91
  5. Step 5: Solve for x
    x = 340,261,742,215.91/768,481.56
  6. Step 6: Final answer
    x = 442,771.51

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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.