Home / 1,257,821.09-1,735,814.16-713,973.65

Finding the Fourth Proportional to 1,257,821.09, 1,735,814.16 and 713,973.65

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Solution

The fourth proportional to 1,257,821.09, 1,735,814.16 and 713,973.65 is: 985,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,821.09 : 1,735,814.16 = 713,973.65 : x
  2. Step 2: Convert to fraction form
    1,257,821.09/1,735,814.16 = 713,973.65/x
  3. Step 3: Cross multiply
    1,257,821.09x = 1,735,814.16 × 713,973.65
  4. Step 4: Simplify right side
    1,257,821.09x = 1,239,325,571,536.88
  5. Step 5: Solve for x
    x = 1,239,325,571,536.88/1,257,821.09
  6. Step 6: Final answer
    x = 985,295.59

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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.