Home / 1,256,653.85-1,734,189.85-683,698.12

Finding the Fourth Proportional to 1,256,653.85, 1,734,189.85 and 683,698.12

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Solution

The fourth proportional to 1,256,653.85, 1,734,189.85 and 683,698.12 is: 943,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,653.85 : 1,734,189.85 = 683,698.12 : x
  2. Step 2: Convert to fraction form
    1,256,653.85/1,734,189.85 = 683,698.12/x
  3. Step 3: Cross multiply
    1,256,653.85x = 1,734,189.85 × 683,698.12
  4. Step 4: Simplify right side
    1,256,653.85x = 1,185,662,336,687.23
  5. Step 5: Solve for x
    x = 1,185,662,336,687.23/1,256,653.85
  6. Step 6: Final answer
    x = 943,507.51

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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.