Home / 458,828.46-687,135.24-275,933.30

Finding the Fourth Proportional to 458,828.46, 687,135.24 and 275,933.30

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Solution

The fourth proportional to 458,828.46, 687,135.24 and 275,933.30 is: 413,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,828.46 : 687,135.24 = 275,933.30 : x
  2. Step 2: Convert to fraction form
    458,828.46/687,135.24 = 275,933.30/x
  3. Step 3: Cross multiply
    458,828.46x = 687,135.24 × 275,933.30
  4. Step 4: Simplify right side
    458,828.46x = 189,603,490,883.82
  5. Step 5: Solve for x
    x = 189,603,490,883.82/458,828.46
  6. Step 6: Final answer
    x = 413,233.94

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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.