Home / 818,249.33-1,227,567.11-257,283.83

Finding the Fourth Proportional to 818,249.33, 1,227,567.11 and 257,283.83

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Solution

The fourth proportional to 818,249.33, 1,227,567.11 and 257,283.83 is: 385,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,249.33 : 1,227,567.11 = 257,283.83 : x
  2. Step 2: Convert to fraction form
    818,249.33/1,227,567.11 = 257,283.83/x
  3. Step 3: Cross multiply
    818,249.33x = 1,227,567.11 × 257,283.83
  4. Step 4: Simplify right side
    818,249.33x = 315,833,160,218.58
  5. Step 5: Solve for x
    x = 315,833,160,218.58/818,249.33
  6. Step 6: Final answer
    x = 385,986.46

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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.