Home / 997,997.80-1,497,936.30-525,022.60

Finding the Fourth Proportional to 997,997.80, 1,497,936.30 and 525,022.60

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Solution

The fourth proportional to 997,997.80, 1,497,936.30 and 525,022.60 is: 788,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,997.80 : 1,497,936.30 = 525,022.60 : x
  2. Step 2: Convert to fraction form
    997,997.80/1,497,936.30 = 525,022.60/x
  3. Step 3: Cross multiply
    997,997.80x = 1,497,936.30 × 525,022.60
  4. Step 4: Simplify right side
    997,997.80x = 786,450,410,860.38
  5. Step 5: Solve for x
    x = 786,450,410,860.38/997,997.80
  6. Step 6: Final answer
    x = 788,028.20

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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.