Home / 902,059.63-1,353,245.78-303,079.21

Finding the Fourth Proportional to 902,059.63, 1,353,245.78 and 303,079.21

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Solution

The fourth proportional to 902,059.63, 1,353,245.78 and 303,079.21 is: 454,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,059.63 : 1,353,245.78 = 303,079.21 : x
  2. Step 2: Convert to fraction form
    902,059.63/1,353,245.78 = 303,079.21/x
  3. Step 3: Cross multiply
    902,059.63x = 1,353,245.78 × 303,079.21
  4. Step 4: Simplify right side
    902,059.63x = 410,140,661,938.23
  5. Step 5: Solve for x
    x = 410,140,661,938.23/902,059.63
  6. Step 6: Final answer
    x = 454,671.34

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1.5x scale

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.