Home / 1,028,745.36-1,419,619.20-569,828.94

Finding the Fourth Proportional to 1,028,745.36, 1,419,619.20 and 569,828.94

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Solution

The fourth proportional to 1,028,745.36, 1,419,619.20 and 569,828.94 is: 786,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,745.36 : 1,419,619.20 = 569,828.94 : x
  2. Step 2: Convert to fraction form
    1,028,745.36/1,419,619.20 = 569,828.94/x
  3. Step 3: Cross multiply
    1,028,745.36x = 1,419,619.20 × 569,828.94
  4. Step 4: Simplify right side
    1,028,745.36x = 808,940,103,939.65
  5. Step 5: Solve for x
    x = 808,940,103,939.65/1,028,745.36
  6. Step 6: Final answer
    x = 786,336.58

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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.