Home / 437,513.75-603,769.38-236,309.75

Finding the Fourth Proportional to 437,513.75, 603,769.38 and 236,309.75

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Solution

The fourth proportional to 437,513.75, 603,769.38 and 236,309.75 is: 326,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.75 : 603,769.38 = 236,309.75 : x
  2. Step 2: Convert to fraction form
    437,513.75/603,769.38 = 236,309.75/x
  3. Step 3: Cross multiply
    437,513.75x = 603,769.38 × 236,309.75
  4. Step 4: Simplify right side
    437,513.75x = 142,676,591,245.46
  5. Step 5: Solve for x
    x = 142,676,591,245.46/437,513.75
  6. Step 6: Final answer
    x = 326,107.67

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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.