Home / 1,409,722.56-1,945,460.57-828,840.33

Finding the Fourth Proportional to 1,409,722.56, 1,945,460.57 and 828,840.33

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Solution

The fourth proportional to 1,409,722.56, 1,945,460.57 and 828,840.33 is: 1,143,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,722.56 : 1,945,460.57 = 828,840.33 : x
  2. Step 2: Convert to fraction form
    1,409,722.56/1,945,460.57 = 828,840.33/x
  3. Step 3: Cross multiply
    1,409,722.56x = 1,945,460.57 × 828,840.33
  4. Step 4: Simplify right side
    1,409,722.56x = 1,612,476,176,696.59
  5. Step 5: Solve for x
    x = 1,612,476,176,696.59/1,409,722.56
  6. Step 6: Final answer
    x = 1,143,825.19

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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.