Home / 442,629.60-663,944.40-110,205.60

Finding the Fourth Proportional to 442,629.60, 663,944.40 and 110,205.60

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Solution

The fourth proportional to 442,629.60, 663,944.40 and 110,205.60 is: 165,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,629.60 : 663,944.40 = 110,205.60 : x
  2. Step 2: Convert to fraction form
    442,629.60/663,944.40 = 110,205.60/x
  3. Step 3: Cross multiply
    442,629.60x = 663,944.40 × 110,205.60
  4. Step 4: Simplify right side
    442,629.60x = 73,170,390,968.64
  5. Step 5: Solve for x
    x = 73,170,390,968.64/442,629.60
  6. Step 6: Final answer
    x = 165,308.40

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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.