Home / 1,410,031.80-2,112,481.62-1,258,866.36

Finding the Fourth Proportional to 1,410,031.80, 2,112,481.62 and 1,258,866.36

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Solution

The fourth proportional to 1,410,031.80, 2,112,481.62 and 1,258,866.36 is: 1,886,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,031.80 : 2,112,481.62 = 1,258,866.36 : x
  2. Step 2: Convert to fraction form
    1,410,031.80/2,112,481.62 = 1,258,866.36/x
  3. Step 3: Cross multiply
    1,410,031.80x = 2,112,481.62 × 1,258,866.36
  4. Step 4: Simplify right side
    1,410,031.80x = 2,659,332,047,536.30
  5. Step 5: Solve for x
    x = 2,659,332,047,536.30/1,410,031.80
  6. Step 6: Final answer
    x = 1,886,008.56

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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.