Home / 823,678.88-1,235,540.18-262,713.38

Finding the Fourth Proportional to 823,678.88, 1,235,540.18 and 262,713.38

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Solution

The fourth proportional to 823,678.88, 1,235,540.18 and 262,713.38 is: 394,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,678.88 : 1,235,540.18 = 262,713.38 : x
  2. Step 2: Convert to fraction form
    823,678.88/1,235,540.18 = 262,713.38/x
  3. Step 3: Cross multiply
    823,678.88x = 1,235,540.18 × 262,713.38
  4. Step 4: Simplify right side
    823,678.88x = 324,592,931,292.69
  5. Step 5: Solve for x
    x = 324,592,931,292.69/823,678.88
  6. Step 6: Final answer
    x = 394,077.04

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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.