Home / 1,107,932.80-1,661,668.80-476,867.20

Finding the Fourth Proportional to 1,107,932.80, 1,661,668.80 and 476,867.20

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Solution

The fourth proportional to 1,107,932.80, 1,661,668.80 and 476,867.20 is: 715,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,932.80 : 1,661,668.80 = 476,867.20 : x
  2. Step 2: Convert to fraction form
    1,107,932.80/1,661,668.80 = 476,867.20/x
  3. Step 3: Cross multiply
    1,107,932.80x = 1,661,668.80 × 476,867.20
  4. Step 4: Simplify right side
    1,107,932.80x = 792,395,347,983.36
  5. Step 5: Solve for x
    x = 792,395,347,983.36/1,107,932.80
  6. Step 6: Final answer
    x = 715,201.63

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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.