Home / 384,821.79-531,243.43-241,660.77

Finding the Fourth Proportional to 384,821.79, 531,243.43 and 241,660.77

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Solution

The fourth proportional to 384,821.79, 531,243.43 and 241,660.77 is: 333,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,821.79 : 531,243.43 = 241,660.77 : x
  2. Step 2: Convert to fraction form
    384,821.79/531,243.43 = 241,660.77/x
  3. Step 3: Cross multiply
    384,821.79x = 531,243.43 × 241,660.77
  4. Step 4: Simplify right side
    384,821.79x = 128,380,693,754.93
  5. Step 5: Solve for x
    x = 128,380,693,754.93/384,821.79
  6. Step 6: Final answer
    x = 333,610.77

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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.