Home / 767,120.89-1,150,556.94-362,312.66

Finding the Fourth Proportional to 767,120.89, 1,150,556.94 and 362,312.66

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Solution

The fourth proportional to 767,120.89, 1,150,556.94 and 362,312.66 is: 543,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,120.89 : 1,150,556.94 = 362,312.66 : x
  2. Step 2: Convert to fraction form
    767,120.89/1,150,556.94 = 362,312.66/x
  3. Step 3: Cross multiply
    767,120.89x = 1,150,556.94 × 362,312.66
  4. Step 4: Simplify right side
    767,120.89x = 416,861,345,412.86
  5. Step 5: Solve for x
    x = 416,861,345,412.86/767,120.89
  6. Step 6: Final answer
    x = 543,410.24

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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.