Home / 1,256,619.80-1,734,142.96-683,664.08

Finding the Fourth Proportional to 1,256,619.80, 1,734,142.96 and 683,664.08

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Solution

The fourth proportional to 1,256,619.80, 1,734,142.96 and 683,664.08 is: 943,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,619.80 : 1,734,142.96 = 683,664.08 : x
  2. Step 2: Convert to fraction form
    1,256,619.80/1,734,142.96 = 683,664.08/x
  3. Step 3: Cross multiply
    1,256,619.80x = 1,734,142.96 × 683,664.08
  4. Step 4: Simplify right side
    1,256,619.80x = 1,185,571,251,336.88
  5. Step 5: Solve for x
    x = 1,185,571,251,336.88/1,256,619.80
  6. Step 6: Final answer
    x = 943,460.58

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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.