Home / 1,119,009-1,544,211.60-622,323.40

Finding the Fourth Proportional to 1,119,009, 1,544,211.60 and 622,323.40

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Solution

The fourth proportional to 1,119,009, 1,544,211.60 and 622,323.40 is: 858,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,009 : 1,544,211.60 = 622,323.40 : x
  2. Step 2: Convert to fraction form
    1,119,009/1,544,211.60 = 622,323.40/x
  3. Step 3: Cross multiply
    1,119,009x = 1,544,211.60 × 622,323.40
  4. Step 4: Simplify right side
    1,119,009x = 960,999,013,231.44
  5. Step 5: Solve for x
    x = 960,999,013,231.44/1,119,009
  6. Step 6: Final answer
    x = 858,794.71

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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.