Home / 987,211.56-1,362,443.27-599,937.60

Finding the Fourth Proportional to 987,211.56, 1,362,443.27 and 599,937.60

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Solution

The fourth proportional to 987,211.56, 1,362,443.27 and 599,937.60 is: 827,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,211.56 : 1,362,443.27 = 599,937.60 : x
  2. Step 2: Convert to fraction form
    987,211.56/1,362,443.27 = 599,937.60/x
  3. Step 3: Cross multiply
    987,211.56x = 1,362,443.27 × 599,937.60
  4. Step 4: Simplify right side
    987,211.56x = 817,380,945,539.95
  5. Step 5: Solve for x
    x = 817,380,945,539.95/987,211.56
  6. Step 6: Final answer
    x = 827,969.38

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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.