Home / 432,922.05-649,383.08-291,204.45

Finding the Fourth Proportional to 432,922.05, 649,383.08 and 291,204.45

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Solution

The fourth proportional to 432,922.05, 649,383.08 and 291,204.45 is: 436,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,922.05 : 649,383.08 = 291,204.45 : x
  2. Step 2: Convert to fraction form
    432,922.05/649,383.08 = 291,204.45/x
  3. Step 3: Cross multiply
    432,922.05x = 649,383.08 × 291,204.45
  4. Step 4: Simplify right side
    432,922.05x = 189,103,241,194.68
  5. Step 5: Solve for x
    x = 189,103,241,194.68/432,922.05
  6. Step 6: Final answer
    x = 436,806.68

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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.