Home / 621,178.46-931,740.59-194,704.56

Finding the Fourth Proportional to 621,178.46, 931,740.59 and 194,704.56

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Solution

The fourth proportional to 621,178.46, 931,740.59 and 194,704.56 is: 292,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,178.46 : 931,740.59 = 194,704.56 : x
  2. Step 2: Convert to fraction form
    621,178.46/931,740.59 = 194,704.56/x
  3. Step 3: Cross multiply
    621,178.46x = 931,740.59 × 194,704.56
  4. Step 4: Simplify right side
    621,178.46x = 181,414,142,096.85
  5. Step 5: Solve for x
    x = 181,414,142,096.85/621,178.46
  6. Step 6: Final answer
    x = 292,048.34

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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.