Home / 1,263,551.48-1,743,728.94-690,628.76

Finding the Fourth Proportional to 1,263,551.48, 1,743,728.94 and 690,628.76

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Solution

The fourth proportional to 1,263,551.48, 1,743,728.94 and 690,628.76 is: 953,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,551.48 : 1,743,728.94 = 690,628.76 : x
  2. Step 2: Convert to fraction form
    1,263,551.48/1,743,728.94 = 690,628.76/x
  3. Step 3: Cross multiply
    1,263,551.48x = 1,743,728.94 × 690,628.76
  4. Step 4: Simplify right side
    1,263,551.48x = 1,204,269,355,608.31
  5. Step 5: Solve for x
    x = 1,204,269,355,608.31/1,263,551.48
  6. Step 6: Final answer
    x = 953,082.94

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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.