Home / 623,450.79-934,885.53-323,850.92

Finding the Fourth Proportional to 623,450.79, 934,885.53 and 323,850.92

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Solution

The fourth proportional to 623,450.79, 934,885.53 and 323,850.92 is: 485,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,450.79 : 934,885.53 = 323,850.92 : x
  2. Step 2: Convert to fraction form
    623,450.79/934,885.53 = 323,850.92/x
  3. Step 3: Cross multiply
    623,450.79x = 934,885.53 × 323,850.92
  4. Step 4: Simplify right side
    623,450.79x = 302,763,534,310.76
  5. Step 5: Solve for x
    x = 302,763,534,310.76/623,450.79
  6. Step 6: Final answer
    x = 485,625.39

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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.