Home / 1,664,578.36-2,297,126.01-939,456.64

Finding the Fourth Proportional to 1,664,578.36, 2,297,126.01 and 939,456.64

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Solution

The fourth proportional to 1,664,578.36, 2,297,126.01 and 939,456.64 is: 1,296,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,578.36 : 2,297,126.01 = 939,456.64 : x
  2. Step 2: Convert to fraction form
    1,664,578.36/2,297,126.01 = 939,456.64/x
  3. Step 3: Cross multiply
    1,664,578.36x = 2,297,126.01 × 939,456.64
  4. Step 4: Simplify right side
    1,664,578.36x = 2,158,050,283,011.21
  5. Step 5: Solve for x
    x = 2,158,050,283,011.21/1,664,578.36
  6. Step 6: Final answer
    x = 1,296,454.61

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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.