Home / 342,914.37-473,385.92-228,383.61

Finding the Fourth Proportional to 342,914.37, 473,385.92 and 228,383.61

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Solution

The fourth proportional to 342,914.37, 473,385.92 and 228,383.61 is: 315,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,914.37 : 473,385.92 = 228,383.61 : x
  2. Step 2: Convert to fraction form
    342,914.37/473,385.92 = 228,383.61/x
  3. Step 3: Cross multiply
    342,914.37x = 473,385.92 × 228,383.61
  4. Step 4: Simplify right side
    342,914.37x = 108,113,583,700.31
  5. Step 5: Solve for x
    x = 108,113,583,700.31/342,914.37
  6. Step 6: Final answer
    x = 315,278.67

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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.