Home / 1,392,911.49-2,086,676.60-1,027,528.77

Finding the Fourth Proportional to 1,392,911.49, 2,086,676.60 and 1,027,528.77

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Solution

The fourth proportional to 1,392,911.49, 2,086,676.60 and 1,027,528.77 is: 1,539,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,911.49 : 2,086,676.60 = 1,027,528.77 : x
  2. Step 2: Convert to fraction form
    1,392,911.49/2,086,676.60 = 1,027,528.77/x
  3. Step 3: Cross multiply
    1,392,911.49x = 2,086,676.60 × 1,027,528.77
  4. Step 4: Simplify right side
    1,392,911.49x = 2,144,120,235,048.14
  5. Step 5: Solve for x
    x = 2,144,120,235,048.14/1,392,911.49
  6. Step 6: Final answer
    x = 1,539,308.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.