Home / 1,261,504.35-1,892,557.85-420,063.39

Finding the Fourth Proportional to 1,261,504.35, 1,892,557.85 and 420,063.39

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Solution

The fourth proportional to 1,261,504.35, 1,892,557.85 and 420,063.39 is: 630,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,504.35 : 1,892,557.85 = 420,063.39 : x
  2. Step 2: Convert to fraction form
    1,261,504.35/1,892,557.85 = 420,063.39/x
  3. Step 3: Cross multiply
    1,261,504.35x = 1,892,557.85 × 420,063.39
  4. Step 4: Simplify right side
    1,261,504.35x = 794,994,264,141.80
  5. Step 5: Solve for x
    x = 794,994,264,141.80/1,261,504.35
  6. Step 6: Final answer
    x = 630,195.42

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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.