Home / 1,228,804.96-1,695,758.52-684,975.28

Finding the Fourth Proportional to 1,228,804.96, 1,695,758.52 and 684,975.28

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Solution

The fourth proportional to 1,228,804.96, 1,695,758.52 and 684,975.28 is: 945,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,804.96 : 1,695,758.52 = 684,975.28 : x
  2. Step 2: Convert to fraction form
    1,228,804.96/1,695,758.52 = 684,975.28/x
  3. Step 3: Cross multiply
    1,228,804.96x = 1,695,758.52 × 684,975.28
  4. Step 4: Simplify right side
    1,228,804.96x = 1,161,552,667,049.39
  5. Step 5: Solve for x
    x = 1,161,552,667,049.39/1,228,804.96
  6. Step 6: Final answer
    x = 945,270.16

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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.