Home / 1,214,208.36-1,677,098.52-909,647.28

Finding the Fourth Proportional to 1,214,208.36, 1,677,098.52 and 909,647.28

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Solution

The fourth proportional to 1,214,208.36, 1,677,098.52 and 909,647.28 is: 1,256,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,208.36 : 1,677,098.52 = 909,647.28 : x
  2. Step 2: Convert to fraction form
    1,214,208.36/1,677,098.52 = 909,647.28/x
  3. Step 3: Cross multiply
    1,214,208.36x = 1,677,098.52 × 909,647.28
  4. Step 4: Simplify right side
    1,214,208.36x = 1,525,568,107,010.03
  5. Step 5: Solve for x
    x = 1,525,568,107,010.03/1,214,208.36
  6. Step 6: Final answer
    x = 1,256,430.24

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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.