Home / 669,456.20-923,846.55-363,530.09

Finding the Fourth Proportional to 669,456.20, 923,846.55 and 363,530.09

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Solution

The fourth proportional to 669,456.20, 923,846.55 and 363,530.09 is: 501,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,456.20 : 923,846.55 = 363,530.09 : x
  2. Step 2: Convert to fraction form
    669,456.20/923,846.55 = 363,530.09/x
  3. Step 3: Cross multiply
    669,456.20x = 923,846.55 × 363,530.09
  4. Step 4: Simplify right side
    669,456.20x = 335,846,019,467.69
  5. Step 5: Solve for x
    x = 335,846,019,467.69/669,456.20
  6. Step 6: Final answer
    x = 501,669.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.