Home / 999,935.37-1,380,090.44-564,485.44

Finding the Fourth Proportional to 999,935.37, 1,380,090.44 and 564,485.44

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Solution

The fourth proportional to 999,935.37, 1,380,090.44 and 564,485.44 is: 779,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,935.37 : 1,380,090.44 = 564,485.44 : x
  2. Step 2: Convert to fraction form
    999,935.37/1,380,090.44 = 564,485.44/x
  3. Step 3: Cross multiply
    999,935.37x = 1,380,090.44 × 564,485.44
  4. Step 4: Simplify right side
    999,935.37x = 779,040,959,263.19
  5. Step 5: Solve for x
    x = 779,040,959,263.19/999,935.37
  6. Step 6: Final answer
    x = 779,091.31

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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.