Home / 1,239,576.36-1,859,119.74-340,786.32

Finding the Fourth Proportional to 1,239,576.36, 1,859,119.74 and 340,786.32

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Solution

The fourth proportional to 1,239,576.36, 1,859,119.74 and 340,786.32 is: 511,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,576.36 : 1,859,119.74 = 340,786.32 : x
  2. Step 2: Convert to fraction form
    1,239,576.36/1,859,119.74 = 340,786.32/x
  3. Step 3: Cross multiply
    1,239,576.36x = 1,859,119.74 × 340,786.32
  4. Step 4: Simplify right side
    1,239,576.36x = 633,562,574,633.96
  5. Step 5: Solve for x
    x = 633,562,574,633.96/1,239,576.36
  6. Step 6: Final answer
    x = 511,112.18

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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.