Home / 1,664,732.05-2,297,338.10-939,610.33

Finding the Fourth Proportional to 1,664,732.05, 2,297,338.10 and 939,610.33

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Solution

The fourth proportional to 1,664,732.05, 2,297,338.10 and 939,610.33 is: 1,296,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,732.05 : 2,297,338.10 = 939,610.33 : x
  2. Step 2: Convert to fraction form
    1,664,732.05/2,297,338.10 = 939,610.33/x
  3. Step 3: Cross multiply
    1,664,732.05x = 2,297,338.10 × 939,610.33
  4. Step 4: Simplify right side
    1,664,732.05x = 2,158,602,603,344.72
  5. Step 5: Solve for x
    x = 2,158,602,603,344.72/1,664,732.05
  6. Step 6: Final answer
    x = 1,296,666.70

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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.