Home / 623,090.20-934,635.30-202,408.60

Finding the Fourth Proportional to 623,090.20, 934,635.30 and 202,408.60

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Solution

The fourth proportional to 623,090.20, 934,635.30 and 202,408.60 is: 303,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,090.20 : 934,635.30 = 202,408.60 : x
  2. Step 2: Convert to fraction form
    623,090.20/934,635.30 = 202,408.60/x
  3. Step 3: Cross multiply
    623,090.20x = 934,635.30 × 202,408.60
  4. Step 4: Simplify right side
    623,090.20x = 189,178,222,583.58
  5. Step 5: Solve for x
    x = 189,178,222,583.58/623,090.20
  6. Step 6: Final answer
    x = 303,612.90

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Half scale
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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.