Home / 438,864.82-605,461.99-255,072.85

Finding the Fourth Proportional to 438,864.82, 605,461.99 and 255,072.85

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Solution

The fourth proportional to 438,864.82, 605,461.99 and 255,072.85 is: 351,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,864.82 : 605,461.99 = 255,072.85 : x
  2. Step 2: Convert to fraction form
    438,864.82/605,461.99 = 255,072.85/x
  3. Step 3: Cross multiply
    438,864.82x = 605,461.99 × 255,072.85
  4. Step 4: Simplify right side
    438,864.82x = 154,436,912,328.66
  5. Step 5: Solve for x
    x = 154,436,912,328.66/438,864.82
  6. Step 6: Final answer
    x = 351,900.87

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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.