Home / 854,429.54-1,179,109.67-481,862.85

Finding the Fourth Proportional to 854,429.54, 1,179,109.67 and 481,862.85

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Solution

The fourth proportional to 854,429.54, 1,179,109.67 and 481,862.85 is: 664,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,429.54 : 1,179,109.67 = 481,862.85 : x
  2. Step 2: Convert to fraction form
    854,429.54/1,179,109.67 = 481,862.85/x
  3. Step 3: Cross multiply
    854,429.54x = 1,179,109.67 × 481,862.85
  4. Step 4: Simplify right side
    854,429.54x = 568,169,143,639.45
  5. Step 5: Solve for x
    x = 568,169,143,639.45/854,429.54
  6. Step 6: Final answer
    x = 664,968.99

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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.