Home / 792,147.60-1,188,221.40-456,224.40

Finding the Fourth Proportional to 792,147.60, 1,188,221.40 and 456,224.40

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Solution

The fourth proportional to 792,147.60, 1,188,221.40 and 456,224.40 is: 684,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,147.60 : 1,188,221.40 = 456,224.40 : x
  2. Step 2: Convert to fraction form
    792,147.60/1,188,221.40 = 456,224.40/x
  3. Step 3: Cross multiply
    792,147.60x = 1,188,221.40 × 456,224.40
  4. Step 4: Simplify right side
    792,147.60x = 542,095,595,282.16
  5. Step 5: Solve for x
    x = 542,095,595,282.16/792,147.60
  6. Step 6: Final answer
    x = 684,336.60

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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.