Home / 1,138,262.06-1,570,782.54-622,004.60

Finding the Fourth Proportional to 1,138,262.06, 1,570,782.54 and 622,004.60

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Solution

The fourth proportional to 1,138,262.06, 1,570,782.54 and 622,004.60 is: 858,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,262.06 : 1,570,782.54 = 622,004.60 : x
  2. Step 2: Convert to fraction form
    1,138,262.06/1,570,782.54 = 622,004.60/x
  3. Step 3: Cross multiply
    1,138,262.06x = 1,570,782.54 × 622,004.60
  4. Step 4: Simplify right side
    1,138,262.06x = 977,033,965,479.68
  5. Step 5: Solve for x
    x = 977,033,965,479.68/1,138,262.06
  6. Step 6: Final answer
    x = 858,355.91

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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.