Home / 662,419.60-993,629.40-163,783.60

Finding the Fourth Proportional to 662,419.60, 993,629.40 and 163,783.60

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Solution

The fourth proportional to 662,419.60, 993,629.40 and 163,783.60 is: 245,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,419.60 : 993,629.40 = 163,783.60 : x
  2. Step 2: Convert to fraction form
    662,419.60/993,629.40 = 163,783.60/x
  3. Step 3: Cross multiply
    662,419.60x = 993,629.40 × 163,783.60
  4. Step 4: Simplify right side
    662,419.60x = 162,740,200,197.84
  5. Step 5: Solve for x
    x = 162,740,200,197.84/662,419.60
  6. Step 6: Final answer
    x = 245,675.40

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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.