Home / 1,228,800.41-1,844,020.43-430,081.98

Finding the Fourth Proportional to 1,228,800.41, 1,844,020.43 and 430,081.98

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Solution

The fourth proportional to 1,228,800.41, 1,844,020.43 and 430,081.98 is: 645,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,800.41 : 1,844,020.43 = 430,081.98 : x
  2. Step 2: Convert to fraction form
    1,228,800.41/1,844,020.43 = 430,081.98/x
  3. Step 3: Cross multiply
    1,228,800.41x = 1,844,020.43 × 430,081.98
  4. Step 4: Simplify right side
    1,228,800.41x = 793,079,955,544.44
  5. Step 5: Solve for x
    x = 793,079,955,544.44/1,228,800.41
  6. Step 6: Final answer
    x = 645,409.91

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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.