Home / 1,184,140.72-1,775,943.19-543,828.88

Finding the Fourth Proportional to 1,184,140.72, 1,775,943.19 and 543,828.88

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Solution

The fourth proportional to 1,184,140.72, 1,775,943.19 and 543,828.88 is: 815,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,140.72 : 1,775,943.19 = 543,828.88 : x
  2. Step 2: Convert to fraction form
    1,184,140.72/1,775,943.19 = 543,828.88/x
  3. Step 3: Cross multiply
    1,184,140.72x = 1,775,943.19 × 543,828.88
  4. Step 4: Simplify right side
    1,184,140.72x = 965,809,195,961.33
  5. Step 5: Solve for x
    x = 965,809,195,961.33/1,184,140.72
  6. Step 6: Final answer
    x = 815,620.29

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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.