Home / 792,136.55-1,188,059.02-492,080.15

Finding the Fourth Proportional to 792,136.55, 1,188,059.02 and 492,080.15

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Solution

The fourth proportional to 792,136.55, 1,188,059.02 and 492,080.15 is: 738,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,136.55 : 1,188,059.02 = 492,080.15 : x
  2. Step 2: Convert to fraction form
    792,136.55/1,188,059.02 = 492,080.15/x
  3. Step 3: Cross multiply
    792,136.55x = 1,188,059.02 × 492,080.15
  4. Step 4: Simplify right side
    792,136.55x = 584,620,260,770.45
  5. Step 5: Solve for x
    x = 584,620,260,770.45/792,136.55
  6. Step 6: Final answer
    x = 738,029.65

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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.