Home / 495,122.46-742,564.20-228,626.79

Finding the Fourth Proportional to 495,122.46, 742,564.20 and 228,626.79

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Solution

The fourth proportional to 495,122.46, 742,564.20 and 228,626.79 is: 342,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,122.46 : 742,564.20 = 228,626.79 : x
  2. Step 2: Convert to fraction form
    495,122.46/742,564.20 = 228,626.79/x
  3. Step 3: Cross multiply
    495,122.46x = 742,564.20 × 228,626.79
  4. Step 4: Simplify right side
    495,122.46x = 169,770,069,414.92
  5. Step 5: Solve for x
    x = 169,770,069,414.92/495,122.46
  6. Step 6: Final answer
    x = 342,885.01

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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.