Home / 1,257,634.36-1,735,534.92-684,674.38

Finding the Fourth Proportional to 1,257,634.36, 1,735,534.92 and 684,674.38

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Solution

The fourth proportional to 1,257,634.36, 1,735,534.92 and 684,674.38 is: 944,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,634.36 : 1,735,534.92 = 684,674.38 : x
  2. Step 2: Convert to fraction form
    1,257,634.36/1,735,534.92 = 684,674.38/x
  3. Step 3: Cross multiply
    1,257,634.36x = 1,735,534.92 × 684,674.38
  4. Step 4: Simplify right side
    1,257,634.36x = 1,188,276,295,319.35
  5. Step 5: Solve for x
    x = 1,188,276,295,319.35/1,257,634.36
  6. Step 6: Final answer
    x = 944,850.37

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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.