Home / 621,252.09-931,889.79-194,778.46

Finding the Fourth Proportional to 621,252.09, 931,889.79 and 194,778.46

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Solution

The fourth proportional to 621,252.09, 931,889.79 and 194,778.46 is: 292,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,252.09 : 931,889.79 = 194,778.46 : x
  2. Step 2: Convert to fraction form
    621,252.09/931,889.79 = 194,778.46/x
  3. Step 3: Cross multiply
    621,252.09x = 931,889.79 × 194,778.46
  4. Step 4: Simplify right side
    621,252.09x = 181,512,058,185.92
  5. Step 5: Solve for x
    x = 181,512,058,185.92/621,252.09
  6. Step 6: Final answer
    x = 292,171.34

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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.