Home / 677,213.82-934,233.08-405,226.94

Finding the Fourth Proportional to 677,213.82, 934,233.08 and 405,226.94

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Solution

The fourth proportional to 677,213.82, 934,233.08 and 405,226.94 is: 559,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,213.82 : 934,233.08 = 405,226.94 : x
  2. Step 2: Convert to fraction form
    677,213.82/934,233.08 = 405,226.94/x
  3. Step 3: Cross multiply
    677,213.82x = 934,233.08 × 405,226.94
  4. Step 4: Simplify right side
    677,213.82x = 378,576,405,557.88
  5. Step 5: Solve for x
    x = 378,576,405,557.88/677,213.82
  6. Step 6: Final answer
    x = 559,020.50

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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.