Home / 939,892.62-1,297,052.82-510,172.68

Finding the Fourth Proportional to 939,892.62, 1,297,052.82 and 510,172.68

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Solution

The fourth proportional to 939,892.62, 1,297,052.82 and 510,172.68 is: 704,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,892.62 : 1,297,052.82 = 510,172.68 : x
  2. Step 2: Convert to fraction form
    939,892.62/1,297,052.82 = 510,172.68/x
  3. Step 3: Cross multiply
    939,892.62x = 1,297,052.82 × 510,172.68
  4. Step 4: Simplify right side
    939,892.62x = 661,720,913,280.96
  5. Step 5: Solve for x
    x = 661,720,913,280.96/939,892.62
  6. Step 6: Final answer
    x = 704,038.84

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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.