Home / 1,029,796.80-1,544,986.80-319,896.60

Finding the Fourth Proportional to 1,029,796.80, 1,544,986.80 and 319,896.60

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Solution

The fourth proportional to 1,029,796.80, 1,544,986.80 and 319,896.60 is: 479,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,796.80 : 1,544,986.80 = 319,896.60 : x
  2. Step 2: Convert to fraction form
    1,029,796.80/1,544,986.80 = 319,896.60/x
  3. Step 3: Cross multiply
    1,029,796.80x = 1,544,986.80 × 319,896.60
  4. Step 4: Simplify right side
    1,029,796.80x = 494,236,024,364.88
  5. Step 5: Solve for x
    x = 494,236,024,364.88/1,029,796.80
  6. Step 6: Final answer
    x = 479,935.48

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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.