Home / 1,007,778.34-1,511,658.09-408,597.10

Finding the Fourth Proportional to 1,007,778.34, 1,511,658.09 and 408,597.10

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Solution

The fourth proportional to 1,007,778.34, 1,511,658.09 and 408,597.10 is: 612,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,778.34 : 1,511,658.09 = 408,597.10 : x
  2. Step 2: Convert to fraction form
    1,007,778.34/1,511,658.09 = 408,597.10/x
  3. Step 3: Cross multiply
    1,007,778.34x = 1,511,658.09 × 408,597.10
  4. Step 4: Simplify right side
    1,007,778.34x = 617,659,111,765.54
  5. Step 5: Solve for x
    x = 617,659,111,765.54/1,007,778.34
  6. Step 6: Final answer
    x = 612,891.83

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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.