Home / 1,259,876.01-1,889,815.41-313,246.83

Finding the Fourth Proportional to 1,259,876.01, 1,889,815.41 and 313,246.83

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Solution

The fourth proportional to 1,259,876.01, 1,889,815.41 and 313,246.83 is: 469,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,876.01 : 1,889,815.41 = 313,246.83 : x
  2. Step 2: Convert to fraction form
    1,259,876.01/1,889,815.41 = 313,246.83/x
  3. Step 3: Cross multiply
    1,259,876.01x = 1,889,815.41 × 313,246.83
  4. Step 4: Simplify right side
    1,259,876.01x = 591,978,686,467.65
  5. Step 5: Solve for x
    x = 591,978,686,467.65/1,259,876.01
  6. Step 6: Final answer
    x = 469,870.59

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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.