Home / 538,890.48-743,664.36-297,183.12

Finding the Fourth Proportional to 538,890.48, 743,664.36 and 297,183.12

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Solution

The fourth proportional to 538,890.48, 743,664.36 and 297,183.12 is: 410,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,890.48 : 743,664.36 = 297,183.12 : x
  2. Step 2: Convert to fraction form
    538,890.48/743,664.36 = 297,183.12/x
  3. Step 3: Cross multiply
    538,890.48x = 743,664.36 × 297,183.12
  4. Step 4: Simplify right side
    538,890.48x = 221,004,494,737.60
  5. Step 5: Solve for x
    x = 221,004,494,737.60/538,890.48
  6. Step 6: Final answer
    x = 410,110.22

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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.