Home / 1,261,504.85-1,892,558.60-420,063.89

Finding the Fourth Proportional to 1,261,504.85, 1,892,558.60 and 420,063.89

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Solution

The fourth proportional to 1,261,504.85, 1,892,558.60 and 420,063.89 is: 630,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,504.85 : 1,892,558.60 = 420,063.89 : x
  2. Step 2: Convert to fraction form
    1,261,504.85/1,892,558.60 = 420,063.89/x
  3. Step 3: Cross multiply
    1,261,504.85x = 1,892,558.60 × 420,063.89
  4. Step 4: Simplify right side
    1,261,504.85x = 794,995,527,568.95
  5. Step 5: Solve for x
    x = 794,995,527,568.95/1,261,504.85
  6. Step 6: Final answer
    x = 630,196.17

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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.