Home / 499,111.92-689,107.04-295,228.35

Finding the Fourth Proportional to 499,111.92, 689,107.04 and 295,228.35

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Solution

The fourth proportional to 499,111.92, 689,107.04 and 295,228.35 is: 407,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,111.92 : 689,107.04 = 295,228.35 : x
  2. Step 2: Convert to fraction form
    499,111.92/689,107.04 = 295,228.35/x
  3. Step 3: Cross multiply
    499,111.92x = 689,107.04 × 295,228.35
  4. Step 4: Simplify right side
    499,111.92x = 203,443,932,916.44
  5. Step 5: Solve for x
    x = 203,443,932,916.44/499,111.92
  6. Step 6: Final answer
    x = 407,611.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.