Home / 543,823-815,817.24-277,438.04

Finding the Fourth Proportional to 543,823, 815,817.24 and 277,438.04

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Solution

The fourth proportional to 543,823, 815,817.24 and 277,438.04 is: 416,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,823 : 815,817.24 = 277,438.04 : x
  2. Step 2: Convert to fraction form
    543,823/815,817.24 = 277,438.04/x
  3. Step 3: Cross multiply
    543,823x = 815,817.24 × 277,438.04
  4. Step 4: Simplify right side
    543,823x = 226,338,736,063.81
  5. Step 5: Solve for x
    x = 226,338,736,063.81/543,823
  6. Step 6: Final answer
    x = 416,199.27

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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.