Home / 371,627.37-512,357.49-268,174.56

Finding the Fourth Proportional to 371,627.37, 512,357.49 and 268,174.56

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Solution

The fourth proportional to 371,627.37, 512,357.49 and 268,174.56 is: 369,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,627.37 : 512,357.49 = 268,174.56 : x
  2. Step 2: Convert to fraction form
    371,627.37/512,357.49 = 268,174.56/x
  3. Step 3: Cross multiply
    371,627.37x = 512,357.49 × 268,174.56
  4. Step 4: Simplify right side
    371,627.37x = 137,401,244,443.45
  5. Step 5: Solve for x
    x = 137,401,244,443.45/371,627.37
  6. Step 6: Final answer
    x = 369,728.54

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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.