Home / 1,374,989.69-1,897,834.57-939,583.28

Finding the Fourth Proportional to 1,374,989.69, 1,897,834.57 and 939,583.28

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Solution

The fourth proportional to 1,374,989.69, 1,897,834.57 and 939,583.28 is: 1,296,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,989.69 : 1,897,834.57 = 939,583.28 : x
  2. Step 2: Convert to fraction form
    1,374,989.69/1,897,834.57 = 939,583.28/x
  3. Step 3: Cross multiply
    1,374,989.69x = 1,897,834.57 × 939,583.28
  4. Step 4: Simplify right side
    1,374,989.69x = 1,783,173,632,573.62
  5. Step 5: Solve for x
    x = 1,783,173,632,573.62/1,374,989.69
  6. Step 6: Final answer
    x = 1,296,863.27

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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.