Home / 558,492.20-770,722.58-303,845.21

Finding the Fourth Proportional to 558,492.20, 770,722.58 and 303,845.21

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Solution

The fourth proportional to 558,492.20, 770,722.58 and 303,845.21 is: 419,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,492.20 : 770,722.58 = 303,845.21 : x
  2. Step 2: Convert to fraction form
    558,492.20/770,722.58 = 303,845.21/x
  3. Step 3: Cross multiply
    558,492.20x = 770,722.58 × 303,845.21
  4. Step 4: Simplify right side
    558,492.20x = 234,180,364,171.84
  5. Step 5: Solve for x
    x = 234,180,364,171.84/558,492.20
  6. Step 6: Final answer
    x = 419,308.21

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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.