Home / 1,664,634.50-2,297,260.66-939,507.28

Finding the Fourth Proportional to 1,664,634.50, 2,297,260.66 and 939,507.28

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Solution

The fourth proportional to 1,664,634.50, 2,297,260.66 and 939,507.28 is: 1,296,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,634.50 : 2,297,260.66 = 939,507.28 : x
  2. Step 2: Convert to fraction form
    1,664,634.50/2,297,260.66 = 939,507.28/x
  3. Step 3: Cross multiply
    1,664,634.50x = 2,297,260.66 × 939,507.28
  4. Step 4: Simplify right side
    1,664,634.50x = 2,158,293,114,127.61
  5. Step 5: Solve for x
    x = 2,158,293,114,127.61/1,664,634.50
  6. Step 6: Final answer
    x = 1,296,556.76

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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.