Home / 823,717.60-1,235,461.20-262,808.80

Finding the Fourth Proportional to 823,717.60, 1,235,461.20 and 262,808.80

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Solution

The fourth proportional to 823,717.60, 1,235,461.20 and 262,808.80 is: 394,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,717.60 : 1,235,461.20 = 262,808.80 : x
  2. Step 2: Convert to fraction form
    823,717.60/1,235,461.20 = 262,808.80/x
  3. Step 3: Cross multiply
    823,717.60x = 1,235,461.20 × 262,808.80
  4. Step 4: Simplify right side
    823,717.60x = 324,690,075,418.56
  5. Step 5: Solve for x
    x = 324,690,075,418.56/823,717.60
  6. Step 6: Final answer
    x = 394,176.45

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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.