Home / 1,198,793.60-1,798,190.40-488,434.40

Finding the Fourth Proportional to 1,198,793.60, 1,798,190.40 and 488,434.40

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Solution

The fourth proportional to 1,198,793.60, 1,798,190.40 and 488,434.40 is: 732,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,793.60 : 1,798,190.40 = 488,434.40 : x
  2. Step 2: Convert to fraction form
    1,198,793.60/1,798,190.40 = 488,434.40/x
  3. Step 3: Cross multiply
    1,198,793.60x = 1,798,190.40 × 488,434.40
  4. Step 4: Simplify right side
    1,198,793.60x = 878,298,049,109.76
  5. Step 5: Solve for x
    x = 878,298,049,109.76/1,198,793.60
  6. Step 6: Final answer
    x = 732,651.60

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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.