Home / 792,078.60-1,188,117.90-365,613.60

Finding the Fourth Proportional to 792,078.60, 1,188,117.90 and 365,613.60

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Solution

The fourth proportional to 792,078.60, 1,188,117.90 and 365,613.60 is: 548,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,078.60 : 1,188,117.90 = 365,613.60 : x
  2. Step 2: Convert to fraction form
    792,078.60/1,188,117.90 = 365,613.60/x
  3. Step 3: Cross multiply
    792,078.60x = 1,188,117.90 × 365,613.60
  4. Step 4: Simplify right side
    792,078.60x = 434,392,062,643.44
  5. Step 5: Solve for x
    x = 434,392,062,643.44/792,078.60
  6. Step 6: Final answer
    x = 548,420.40

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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.