Home / 1,294,288.80-1,941,087.60-395,728.80

Finding the Fourth Proportional to 1,294,288.80, 1,941,087.60 and 395,728.80

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Solution

The fourth proportional to 1,294,288.80, 1,941,087.60 and 395,728.80 is: 593,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,288.80 : 1,941,087.60 = 395,728.80 : x
  2. Step 2: Convert to fraction form
    1,294,288.80/1,941,087.60 = 395,728.80/x
  3. Step 3: Cross multiply
    1,294,288.80x = 1,941,087.60 × 395,728.80
  4. Step 4: Simplify right side
    1,294,288.80x = 768,144,266,642.88
  5. Step 5: Solve for x
    x = 768,144,266,642.88/1,294,288.80
  6. Step 6: Final answer
    x = 593,487.53

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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.