Home / 775,436.44-1,163,155.09-242,999.14

Finding the Fourth Proportional to 775,436.44, 1,163,155.09 and 242,999.14

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Solution

The fourth proportional to 775,436.44, 1,163,155.09 and 242,999.14 is: 364,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,436.44 : 1,163,155.09 = 242,999.14 : x
  2. Step 2: Convert to fraction form
    775,436.44/1,163,155.09 = 242,999.14/x
  3. Step 3: Cross multiply
    775,436.44x = 1,163,155.09 × 242,999.14
  4. Step 4: Simplify right side
    775,436.44x = 282,645,686,556.62
  5. Step 5: Solve for x
    x = 282,645,686,556.62/775,436.44
  6. Step 6: Final answer
    x = 364,498.84

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Double scale
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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.