Home / 384,737.36-530,936.44-214,971.62

Finding the Fourth Proportional to 384,737.36, 530,936.44 and 214,971.62

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Solution

The fourth proportional to 384,737.36, 530,936.44 and 214,971.62 is: 296,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,737.36 : 530,936.44 = 214,971.62 : x
  2. Step 2: Convert to fraction form
    384,737.36/530,936.44 = 214,971.62/x
  3. Step 3: Cross multiply
    384,737.36x = 530,936.44 × 214,971.62
  4. Step 4: Simplify right side
    384,737.36x = 114,136,263,431.72
  5. Step 5: Solve for x
    x = 114,136,263,431.72/384,737.36
  6. Step 6: Final answer
    x = 296,660.21

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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.