Home / 494,717.36-742,184.92-281,585.60

Finding the Fourth Proportional to 494,717.36, 742,184.92 and 281,585.60

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Solution

The fourth proportional to 494,717.36, 742,184.92 and 281,585.60 is: 422,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,717.36 : 742,184.92 = 281,585.60 : x
  2. Step 2: Convert to fraction form
    494,717.36/742,184.92 = 281,585.60/x
  3. Step 3: Cross multiply
    494,717.36x = 742,184.92 × 281,585.60
  4. Step 4: Simplify right side
    494,717.36x = 208,988,586,009.15
  5. Step 5: Solve for x
    x = 208,988,586,009.15/494,717.36
  6. Step 6: Final answer
    x = 422,440.37

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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.