Home / 1,374,989.50-1,897,834.31-939,583.08

Finding the Fourth Proportional to 1,374,989.50, 1,897,834.31 and 939,583.08

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Solution

The fourth proportional to 1,374,989.50, 1,897,834.31 and 939,583.08 is: 1,296,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,989.50 : 1,897,834.31 = 939,583.08 : x
  2. Step 2: Convert to fraction form
    1,374,989.50/1,897,834.31 = 939,583.08/x
  3. Step 3: Cross multiply
    1,374,989.50x = 1,897,834.31 × 939,583.08
  4. Step 4: Simplify right side
    1,374,989.50x = 1,783,173,015,146.66
  5. Step 5: Solve for x
    x = 1,783,173,015,146.66/1,374,989.50
  6. Step 6: Final answer
    x = 1,296,863.01

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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.