Home / 558,919.52-838,502.98-203,932.50

Finding the Fourth Proportional to 558,919.52, 838,502.98 and 203,932.50

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Solution

The fourth proportional to 558,919.52, 838,502.98 and 203,932.50 is: 305,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,919.52 : 838,502.98 = 203,932.50 : x
  2. Step 2: Convert to fraction form
    558,919.52/838,502.98 = 203,932.50/x
  3. Step 3: Cross multiply
    558,919.52x = 838,502.98 × 203,932.50
  4. Step 4: Simplify right side
    558,919.52x = 170,998,008,968.85
  5. Step 5: Solve for x
    x = 170,998,008,968.85/558,919.52
  6. Step 6: Final answer
    x = 305,943.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.