Home / 792,146.40-1,188,219.60-477,218.40

Finding the Fourth Proportional to 792,146.40, 1,188,219.60 and 477,218.40

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Solution

The fourth proportional to 792,146.40, 1,188,219.60 and 477,218.40 is: 715,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,146.40 : 1,188,219.60 = 477,218.40 : x
  2. Step 2: Convert to fraction form
    792,146.40/1,188,219.60 = 477,218.40/x
  3. Step 3: Cross multiply
    792,146.40x = 1,188,219.60 × 477,218.40
  4. Step 4: Simplify right side
    792,146.40x = 567,040,256,360.64
  5. Step 5: Solve for x
    x = 567,040,256,360.64/792,146.40
  6. Step 6: Final answer
    x = 715,827.60

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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.