Home / 1,639,384-2,262,367.20-923,992

Finding the Fourth Proportional to 1,639,384, 2,262,367.20 and 923,992

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Solution

The fourth proportional to 1,639,384, 2,262,367.20 and 923,992 is: 1,275,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,384 : 2,262,367.20 = 923,992 : x
  2. Step 2: Convert to fraction form
    1,639,384/2,262,367.20 = 923,992/x
  3. Step 3: Cross multiply
    1,639,384x = 2,262,367.20 × 923,992
  4. Step 4: Simplify right side
    1,639,384x = 2,090,409,193,862.40
  5. Step 5: Solve for x
    x = 2,090,409,193,862.40/1,639,384
  6. Step 6: Final answer
    x = 1,275,118.70

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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.