Home / 804,102.12-1,109,662.47-464,570.64

Finding the Fourth Proportional to 804,102.12, 1,109,662.47 and 464,570.64

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Solution

The fourth proportional to 804,102.12, 1,109,662.47 and 464,570.64 is: 641,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,102.12 : 1,109,662.47 = 464,570.64 : x
  2. Step 2: Convert to fraction form
    804,102.12/1,109,662.47 = 464,570.64/x
  3. Step 3: Cross multiply
    804,102.12x = 1,109,662.47 × 464,570.64
  4. Step 4: Simplify right side
    804,102.12x = 515,516,603,871.88
  5. Step 5: Solve for x
    x = 515,516,603,871.88/804,102.12
  6. Step 6: Final answer
    x = 641,108.38

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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.