Home / 823,777.80-1,235,666.70-504,913.20

Finding the Fourth Proportional to 823,777.80, 1,235,666.70 and 504,913.20

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Solution

The fourth proportional to 823,777.80, 1,235,666.70 and 504,913.20 is: 757,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,777.80 : 1,235,666.70 = 504,913.20 : x
  2. Step 2: Convert to fraction form
    823,777.80/1,235,666.70 = 504,913.20/x
  3. Step 3: Cross multiply
    823,777.80x = 1,235,666.70 × 504,913.20
  4. Step 4: Simplify right side
    823,777.80x = 623,904,427,630.44
  5. Step 5: Solve for x
    x = 623,904,427,630.44/823,777.80
  6. Step 6: Final answer
    x = 757,369.80

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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.