Home / 779,107.48-1,168,661.22-188,131.48

Finding the Fourth Proportional to 779,107.48, 1,168,661.22 and 188,131.48

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Solution

The fourth proportional to 779,107.48, 1,168,661.22 and 188,131.48 is: 282,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,107.48 : 1,168,661.22 = 188,131.48 : x
  2. Step 2: Convert to fraction form
    779,107.48/1,168,661.22 = 188,131.48/x
  3. Step 3: Cross multiply
    779,107.48x = 1,168,661.22 × 188,131.48
  4. Step 4: Simplify right side
    779,107.48x = 219,861,964,937.21
  5. Step 5: Solve for x
    x = 219,861,964,937.21/779,107.48
  6. Step 6: Final answer
    x = 282,197.22

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.