Home / 381,076.30-525,847.40-219,983.24

Finding the Fourth Proportional to 381,076.30, 525,847.40 and 219,983.24

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Solution

The fourth proportional to 381,076.30, 525,847.40 and 219,983.24 is: 303,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,076.30 : 525,847.40 = 219,983.24 : x
  2. Step 2: Convert to fraction form
    381,076.30/525,847.40 = 219,983.24/x
  3. Step 3: Cross multiply
    381,076.30x = 525,847.40 × 219,983.24
  4. Step 4: Simplify right side
    381,076.30x = 115,677,615,012.28
  5. Step 5: Solve for x
    x = 115,677,615,012.28/381,076.30
  6. Step 6: Final answer
    x = 303,555.00

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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.