Home / 1,332,158.78-1,997,936.79-611,807.96

Finding the Fourth Proportional to 1,332,158.78, 1,997,936.79 and 611,807.96

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Solution

The fourth proportional to 1,332,158.78, 1,997,936.79 and 611,807.96 is: 917,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,158.78 : 1,997,936.79 = 611,807.96 : x
  2. Step 2: Convert to fraction form
    1,332,158.78/1,997,936.79 = 611,807.96/x
  3. Step 3: Cross multiply
    1,332,158.78x = 1,997,936.79 × 611,807.96
  4. Step 4: Simplify right side
    1,332,158.78x = 1,222,353,631,698.85
  5. Step 5: Solve for x
    x = 1,222,353,631,698.85/1,332,158.78
  6. Step 6: Final answer
    x = 917,573.53

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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.