Home / 939,893.62-1,297,054.20-510,173.68

Finding the Fourth Proportional to 939,893.62, 1,297,054.20 and 510,173.68

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Solution

The fourth proportional to 939,893.62, 1,297,054.20 and 510,173.68 is: 704,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,893.62 : 1,297,054.20 = 510,173.68 : x
  2. Step 2: Convert to fraction form
    939,893.62/1,297,054.20 = 510,173.68/x
  3. Step 3: Cross multiply
    939,893.62x = 1,297,054.20 × 510,173.68
  4. Step 4: Simplify right side
    939,893.62x = 661,722,914,373.46
  5. Step 5: Solve for x
    x = 661,722,914,373.46/939,893.62
  6. Step 6: Final answer
    x = 704,040.22

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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.