Home / 941,616.72-1,299,415.77-511,907.58

Finding the Fourth Proportional to 941,616.72, 1,299,415.77 and 511,907.58

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Solution

The fourth proportional to 941,616.72, 1,299,415.77 and 511,907.58 is: 706,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,616.72 : 1,299,415.77 = 511,907.58 : x
  2. Step 2: Convert to fraction form
    941,616.72/1,299,415.77 = 511,907.58/x
  3. Step 3: Cross multiply
    941,616.72x = 1,299,415.77 × 511,907.58
  4. Step 4: Simplify right side
    941,616.72x = 665,180,782,234.54
  5. Step 5: Solve for x
    x = 665,180,782,234.54/941,616.72
  6. Step 6: Final answer
    x = 706,424.14

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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.