Home / 463,786.20-696,524.10-405,725.40

Finding the Fourth Proportional to 463,786.20, 696,524.10 and 405,725.40

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Solution

The fourth proportional to 463,786.20, 696,524.10 and 405,725.40 is: 609,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,786.20 : 696,524.10 = 405,725.40 : x
  2. Step 2: Convert to fraction form
    463,786.20/696,524.10 = 405,725.40/x
  3. Step 3: Cross multiply
    463,786.20x = 696,524.10 × 405,725.40
  4. Step 4: Simplify right side
    463,786.20x = 282,597,519,082.14
  5. Step 5: Solve for x
    x = 282,597,519,082.14/463,786.20
  6. Step 6: Final answer
    x = 609,327.14

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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.