Home / 494,731.89-742,128.60-179,191.53

Finding the Fourth Proportional to 494,731.89, 742,128.60 and 179,191.53

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Solution

The fourth proportional to 494,731.89, 742,128.60 and 179,191.53 is: 268,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,731.89 : 742,128.60 = 179,191.53 : x
  2. Step 2: Convert to fraction form
    494,731.89/742,128.60 = 179,191.53/x
  3. Step 3: Cross multiply
    494,731.89x = 742,128.60 × 179,191.53
  4. Step 4: Simplify right side
    494,731.89x = 132,983,159,290.76
  5. Step 5: Solve for x
    x = 132,983,159,290.76/494,731.89
  6. Step 6: Final answer
    x = 268,798.44

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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.