Home / 1,261,503.35-1,892,556.35-420,062.39

Finding the Fourth Proportional to 1,261,503.35, 1,892,556.35 and 420,062.39

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Solution

The fourth proportional to 1,261,503.35, 1,892,556.35 and 420,062.39 is: 630,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,503.35 : 1,892,556.35 = 420,062.39 : x
  2. Step 2: Convert to fraction form
    1,261,503.35/1,892,556.35 = 420,062.39/x
  3. Step 3: Cross multiply
    1,261,503.35x = 1,892,556.35 × 420,062.39
  4. Step 4: Simplify right side
    1,261,503.35x = 794,991,741,490.37
  5. Step 5: Solve for x
    x = 794,991,741,490.37/1,261,503.35
  6. Step 6: Final answer
    x = 630,193.92

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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.