Home / 578,512.60-867,185.70-263,195.80

Finding the Fourth Proportional to 578,512.60, 867,185.70 and 263,195.80

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Solution

The fourth proportional to 578,512.60, 867,185.70 and 263,195.80 is: 394,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,512.60 : 867,185.70 = 263,195.80 : x
  2. Step 2: Convert to fraction form
    578,512.60/867,185.70 = 263,195.80/x
  3. Step 3: Cross multiply
    578,512.60x = 867,185.70 × 263,195.80
  4. Step 4: Simplify right side
    578,512.60x = 228,239,634,060.06
  5. Step 5: Solve for x
    x = 228,239,634,060.06/578,512.60
  6. Step 6: Final answer
    x = 394,528.37

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1.5x scale

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.