Home / 558,632.11-770,777.89-329,198.77

Finding the Fourth Proportional to 558,632.11, 770,777.89 and 329,198.77

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Solution

The fourth proportional to 558,632.11, 770,777.89 and 329,198.77 is: 454,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,632.11 : 770,777.89 = 329,198.77 : x
  2. Step 2: Convert to fraction form
    558,632.11/770,777.89 = 329,198.77/x
  3. Step 3: Cross multiply
    558,632.11x = 770,777.89 × 329,198.77
  4. Step 4: Simplify right side
    558,632.11x = 253,739,133,331.20
  5. Step 5: Solve for x
    x = 253,739,133,331.20/558,632.11
  6. Step 6: Final answer
    x = 454,215.09

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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.