Home / 397,059.54-547,941.05-215,771.51

Finding the Fourth Proportional to 397,059.54, 547,941.05 and 215,771.51

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Solution

The fourth proportional to 397,059.54, 547,941.05 and 215,771.51 is: 297,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,059.54 : 547,941.05 = 215,771.51 : x
  2. Step 2: Convert to fraction form
    397,059.54/547,941.05 = 215,771.51/x
  3. Step 3: Cross multiply
    397,059.54x = 547,941.05 × 215,771.51
  4. Step 4: Simplify right side
    397,059.54x = 118,230,063,930.92
  5. Step 5: Solve for x
    x = 118,230,063,930.92/397,059.54
  6. Step 6: Final answer
    x = 297,764.07

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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.