Home / 1,174,115.56-1,620,285.84-664,917.16

Finding the Fourth Proportional to 1,174,115.56, 1,620,285.84 and 664,917.16

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Solution

The fourth proportional to 1,174,115.56, 1,620,285.84 and 664,917.16 is: 917,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,115.56 : 1,620,285.84 = 664,917.16 : x
  2. Step 2: Convert to fraction form
    1,174,115.56/1,620,285.84 = 664,917.16/x
  3. Step 3: Cross multiply
    1,174,115.56x = 1,620,285.84 × 664,917.16
  4. Step 4: Simplify right side
    1,174,115.56x = 1,077,355,859,121.01
  5. Step 5: Solve for x
    x = 1,077,355,859,121.01/1,174,115.56
  6. Step 6: Final answer
    x = 917,589.29

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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.