Home / 558,813.21-838,344.83-203,827.25

Finding the Fourth Proportional to 558,813.21, 838,344.83 and 203,827.25

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Solution

The fourth proportional to 558,813.21, 838,344.83 and 203,827.25 is: 305,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,813.21 : 838,344.83 = 203,827.25 : x
  2. Step 2: Convert to fraction form
    558,813.21/838,344.83 = 203,827.25/x
  3. Step 3: Cross multiply
    558,813.21x = 838,344.83 × 203,827.25
  4. Step 4: Simplify right side
    558,813.21x = 170,877,516,039.76
  5. Step 5: Solve for x
    x = 170,877,516,039.76/558,813.21
  6. Step 6: Final answer
    x = 305,786.46

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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.