Home / 379,369.96-523,551.54-209,600.44

Finding the Fourth Proportional to 379,369.96, 523,551.54 and 209,600.44

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Solution

The fourth proportional to 379,369.96, 523,551.54 and 209,600.44 is: 289,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,369.96 : 523,551.54 = 209,600.44 : x
  2. Step 2: Convert to fraction form
    379,369.96/523,551.54 = 209,600.44/x
  3. Step 3: Cross multiply
    379,369.96x = 523,551.54 × 209,600.44
  4. Step 4: Simplify right side
    379,369.96x = 109,736,633,146.68
  5. Step 5: Solve for x
    x = 109,736,633,146.68/379,369.96
  6. Step 6: Final answer
    x = 289,260.21

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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.