Home / 1,138,881.26-1,571,663.25-622,636.27

Finding the Fourth Proportional to 1,138,881.26, 1,571,663.25 and 622,636.27

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Solution

The fourth proportional to 1,138,881.26, 1,571,663.25 and 622,636.27 is: 859,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,881.26 : 1,571,663.25 = 622,636.27 : x
  2. Step 2: Convert to fraction form
    1,138,881.26/1,571,663.25 = 622,636.27/x
  3. Step 3: Cross multiply
    1,138,881.26x = 1,571,663.25 × 622,636.27
  4. Step 4: Simplify right side
    1,138,881.26x = 978,574,539,746.92
  5. Step 5: Solve for x
    x = 978,574,539,746.92/1,138,881.26
  6. Step 6: Final answer
    x = 859,241.94

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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.