Home / 274,045.08-377,838.09-209,593.38

Finding the Fourth Proportional to 274,045.08, 377,838.09 and 209,593.38

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Solution

The fourth proportional to 274,045.08, 377,838.09 and 209,593.38 is: 288,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,045.08 : 377,838.09 = 209,593.38 : x
  2. Step 2: Convert to fraction form
    274,045.08/377,838.09 = 209,593.38/x
  3. Step 3: Cross multiply
    274,045.08x = 377,838.09 × 209,593.38
  4. Step 4: Simplify right side
    274,045.08x = 79,192,362,375.84
  5. Step 5: Solve for x
    x = 79,192,362,375.84/274,045.08
  6. Step 6: Final answer
    x = 288,975.68

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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.