Home / 619,113.27-854,014.34-389,306.85

Finding the Fourth Proportional to 619,113.27, 854,014.34 and 389,306.85

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Solution

The fourth proportional to 619,113.27, 854,014.34 and 389,306.85 is: 537,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,113.27 : 854,014.34 = 389,306.85 : x
  2. Step 2: Convert to fraction form
    619,113.27/854,014.34 = 389,306.85/x
  3. Step 3: Cross multiply
    619,113.27x = 854,014.34 × 389,306.85
  4. Step 4: Simplify right side
    619,113.27x = 332,473,630,613.70
  5. Step 5: Solve for x
    x = 332,473,630,613.70/619,113.27
  6. Step 6: Final answer
    x = 537,015.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.