Home / 1,263,626.72-1,743,851.76-690,705.44

Finding the Fourth Proportional to 1,263,626.72, 1,743,851.76 and 690,705.44

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Solution

The fourth proportional to 1,263,626.72, 1,743,851.76 and 690,705.44 is: 953,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,626.72 : 1,743,851.76 = 690,705.44 : x
  2. Step 2: Convert to fraction form
    1,263,626.72/1,743,851.76 = 690,705.44/x
  3. Step 3: Cross multiply
    1,263,626.72x = 1,743,851.76 × 690,705.44
  4. Step 4: Simplify right side
    1,263,626.72x = 1,204,487,897,185.57
  5. Step 5: Solve for x
    x = 1,204,487,897,185.57/1,263,626.72
  6. Step 6: Final answer
    x = 953,199.14

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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.