Home / 919,225.70-1,377,198.30-444,865.40

Finding the Fourth Proportional to 919,225.70, 1,377,198.30 and 444,865.40

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Solution

The fourth proportional to 919,225.70, 1,377,198.30 and 444,865.40 is: 666,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,225.70 : 1,377,198.30 = 444,865.40 : x
  2. Step 2: Convert to fraction form
    919,225.70/1,377,198.30 = 444,865.40/x
  3. Step 3: Cross multiply
    919,225.70x = 1,377,198.30 × 444,865.40
  4. Step 4: Simplify right side
    919,225.70x = 612,667,872,608.82
  5. Step 5: Solve for x
    x = 612,667,872,608.82/919,225.70
  6. Step 6: Final answer
    x = 666,504.29

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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.