Home / 1,391,846.75-2,087,770.13-341,222.75

Finding the Fourth Proportional to 1,391,846.75, 2,087,770.13 and 341,222.75

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Solution

The fourth proportional to 1,391,846.75, 2,087,770.13 and 341,222.75 is: 511,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,846.75 : 2,087,770.13 = 341,222.75 : x
  2. Step 2: Convert to fraction form
    1,391,846.75/2,087,770.13 = 341,222.75/x
  3. Step 3: Cross multiply
    1,391,846.75x = 2,087,770.13 × 341,222.75
  4. Step 4: Simplify right side
    1,391,846.75x = 712,394,665,126.46
  5. Step 5: Solve for x
    x = 712,394,665,126.46/1,391,846.75
  6. Step 6: Final answer
    x = 511,834.13

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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.