Home / 685,313.25-945,601.07-443,562.27

Finding the Fourth Proportional to 685,313.25, 945,601.07 and 443,562.27

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Solution

The fourth proportional to 685,313.25, 945,601.07 and 443,562.27 is: 612,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,313.25 : 945,601.07 = 443,562.27 : x
  2. Step 2: Convert to fraction form
    685,313.25/945,601.07 = 443,562.27/x
  3. Step 3: Cross multiply
    685,313.25x = 945,601.07 × 443,562.27
  4. Step 4: Simplify right side
    685,313.25x = 419,432,954,905.82
  5. Step 5: Solve for x
    x = 419,432,954,905.82/685,313.25
  6. Step 6: Final answer
    x = 612,031.00

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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.