Home / 623,416.20-934,905.60-323,797.20

Finding the Fourth Proportional to 623,416.20, 934,905.60 and 323,797.20

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Solution

The fourth proportional to 623,416.20, 934,905.60 and 323,797.20 is: 485,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,416.20 : 934,905.60 = 323,797.20 : x
  2. Step 2: Convert to fraction form
    623,416.20/934,905.60 = 323,797.20/x
  3. Step 3: Cross multiply
    623,416.20x = 934,905.60 × 323,797.20
  4. Step 4: Simplify right side
    623,416.20x = 302,719,815,544.32
  5. Step 5: Solve for x
    x = 302,719,815,544.32/623,416.20
  6. Step 6: Final answer
    x = 485,582.21

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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.