Home / 1,177,961.80-1,767,219.60-379,213.50

Finding the Fourth Proportional to 1,177,961.80, 1,767,219.60 and 379,213.50

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Solution

The fourth proportional to 1,177,961.80, 1,767,219.60 and 379,213.50 is: 568,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,961.80 : 1,767,219.60 = 379,213.50 : x
  2. Step 2: Convert to fraction form
    1,177,961.80/1,767,219.60 = 379,213.50/x
  3. Step 3: Cross multiply
    1,177,961.80x = 1,767,219.60 × 379,213.50
  4. Step 4: Simplify right side
    1,177,961.80x = 670,153,529,784.60
  5. Step 5: Solve for x
    x = 670,153,529,784.60/1,177,961.80
  6. Step 6: Final answer
    x = 568,909.39

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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.