Home / 558,584.64-770,823.60-303,935.76

Finding the Fourth Proportional to 558,584.64, 770,823.60 and 303,935.76

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Solution

The fourth proportional to 558,584.64, 770,823.60 and 303,935.76 is: 419,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,584.64 : 770,823.60 = 303,935.76 : x
  2. Step 2: Convert to fraction form
    558,584.64/770,823.60 = 303,935.76/x
  3. Step 3: Cross multiply
    558,584.64x = 770,823.60 × 303,935.76
  4. Step 4: Simplify right side
    558,584.64x = 234,280,856,691.94
  5. Step 5: Solve for x
    x = 234,280,856,691.94/558,584.64
  6. Step 6: Final answer
    x = 419,418.72

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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.