Home / 1,638,668.33-2,261,371.95-950,749.76

Finding the Fourth Proportional to 1,638,668.33, 2,261,371.95 and 950,749.76

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Solution

The fourth proportional to 1,638,668.33, 2,261,371.95 and 950,749.76 is: 1,312,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,668.33 : 2,261,371.95 = 950,749.76 : x
  2. Step 2: Convert to fraction form
    1,638,668.33/2,261,371.95 = 950,749.76/x
  3. Step 3: Cross multiply
    1,638,668.33x = 2,261,371.95 × 950,749.76
  4. Step 4: Simplify right side
    1,638,668.33x = 2,149,998,838,733.23
  5. Step 5: Solve for x
    x = 2,149,998,838,733.23/1,638,668.33
  6. Step 6: Final answer
    x = 1,312,040.27

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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.