Home / 1,261,503.85-1,892,557.10-420,062.89

Finding the Fourth Proportional to 1,261,503.85, 1,892,557.10 and 420,062.89

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Solution

The fourth proportional to 1,261,503.85, 1,892,557.10 and 420,062.89 is: 630,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,503.85 : 1,892,557.10 = 420,062.89 : x
  2. Step 2: Convert to fraction form
    1,261,503.85/1,892,557.10 = 420,062.89/x
  3. Step 3: Cross multiply
    1,261,503.85x = 1,892,557.10 × 420,062.89
  4. Step 4: Simplify right side
    1,261,503.85x = 794,993,002,815.71
  5. Step 5: Solve for x
    x = 794,993,002,815.71/1,261,503.85
  6. Step 6: Final answer
    x = 630,194.67

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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.