Home / 1,392,615.59-1,920,043.44-995,268.87

Finding the Fourth Proportional to 1,392,615.59, 1,920,043.44 and 995,268.87

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Solution

The fourth proportional to 1,392,615.59, 1,920,043.44 and 995,268.87 is: 1,372,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,615.59 : 1,920,043.44 = 995,268.87 : x
  2. Step 2: Convert to fraction form
    1,392,615.59/1,920,043.44 = 995,268.87/x
  3. Step 3: Cross multiply
    1,392,615.59x = 1,920,043.44 × 995,268.87
  4. Step 4: Simplify right side
    1,392,615.59x = 1,910,959,464,879.71
  5. Step 5: Solve for x
    x = 1,910,959,464,879.71/1,392,615.59
  6. Step 6: Final answer
    x = 1,372,208.87

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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.