Home / 379,150.89-523,441.79-263,032.13

Finding the Fourth Proportional to 379,150.89, 523,441.79 and 263,032.13

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Solution

The fourth proportional to 379,150.89, 523,441.79 and 263,032.13 is: 363,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,150.89 : 523,441.79 = 263,032.13 : x
  2. Step 2: Convert to fraction form
    379,150.89/523,441.79 = 263,032.13/x
  3. Step 3: Cross multiply
    379,150.89x = 523,441.79 × 263,032.13
  4. Step 4: Simplify right side
    379,150.89x = 137,682,005,022.34
  5. Step 5: Solve for x
    x = 137,682,005,022.34/379,150.89
  6. Step 6: Final answer
    x = 363,132.49

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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.