Home / 792,109.10-1,188,200.55-231,143.60

Finding the Fourth Proportional to 792,109.10, 1,188,200.55 and 231,143.60

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Solution

The fourth proportional to 792,109.10, 1,188,200.55 and 231,143.60 is: 346,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,109.10 : 1,188,200.55 = 231,143.60 : x
  2. Step 2: Convert to fraction form
    792,109.10/1,188,200.55 = 231,143.60/x
  3. Step 3: Cross multiply
    792,109.10x = 1,188,200.55 × 231,143.60
  4. Step 4: Simplify right side
    792,109.10x = 274,644,946,707.98
  5. Step 5: Solve for x
    x = 274,644,946,707.98/792,109.10
  6. Step 6: Final answer
    x = 346,726.16

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Double scale
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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.