Home / 939,977.14-1,297,170.11-510,257.56

Finding the Fourth Proportional to 939,977.14, 1,297,170.11 and 510,257.56

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Solution

The fourth proportional to 939,977.14, 1,297,170.11 and 510,257.56 is: 704,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,977.14 : 1,297,170.11 = 510,257.56 : x
  2. Step 2: Convert to fraction form
    939,977.14/1,297,170.11 = 510,257.56/x
  3. Step 3: Cross multiply
    939,977.14x = 1,297,170.11 × 510,257.56
  4. Step 4: Simplify right side
    939,977.14x = 661,890,855,233.53
  5. Step 5: Solve for x
    x = 661,890,855,233.53/939,977.14
  6. Step 6: Final answer
    x = 704,156.33

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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.