Home / 1,256,708.80-1,734,265.80-683,753.20

Finding the Fourth Proportional to 1,256,708.80, 1,734,265.80 and 683,753.20

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Solution

The fourth proportional to 1,256,708.80, 1,734,265.80 and 683,753.20 is: 943,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,708.80 : 1,734,265.80 = 683,753.20 : x
  2. Step 2: Convert to fraction form
    1,256,708.80/1,734,265.80 = 683,753.20/x
  3. Step 3: Cross multiply
    1,256,708.80x = 1,734,265.80 × 683,753.20
  4. Step 4: Simplify right side
    1,256,708.80x = 1,185,809,790,400.56
  5. Step 5: Solve for x
    x = 1,185,809,790,400.56/1,256,708.80
  6. Step 6: Final answer
    x = 943,583.58

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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.