Home / 1,131,907.08-1,562,073.30-622,648.20

Finding the Fourth Proportional to 1,131,907.08, 1,562,073.30 and 622,648.20

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Solution

The fourth proportional to 1,131,907.08, 1,562,073.30 and 622,648.20 is: 859,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,907.08 : 1,562,073.30 = 622,648.20 : x
  2. Step 2: Convert to fraction form
    1,131,907.08/1,562,073.30 = 622,648.20/x
  3. Step 3: Cross multiply
    1,131,907.08x = 1,562,073.30 × 622,648.20
  4. Step 4: Simplify right side
    1,131,907.08x = 972,622,128,513.06
  5. Step 5: Solve for x
    x = 972,622,128,513.06/1,131,907.08
  6. Step 6: Final answer
    x = 859,277.36

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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.