Home / 1,208,453.53-1,667,632.57-664,589.31

Finding the Fourth Proportional to 1,208,453.53, 1,667,632.57 and 664,589.31

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Solution

The fourth proportional to 1,208,453.53, 1,667,632.57 and 664,589.31 is: 917,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,453.53 : 1,667,632.57 = 664,589.31 : x
  2. Step 2: Convert to fraction form
    1,208,453.53/1,667,632.57 = 664,589.31/x
  3. Step 3: Cross multiply
    1,208,453.53x = 1,667,632.57 × 664,589.31
  4. Step 4: Simplify right side
    1,208,453.53x = 1,108,290,772,049.28
  5. Step 5: Solve for x
    x = 1,108,290,772,049.28/1,208,453.53
  6. Step 6: Final answer
    x = 917,114.93

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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.