Home / 6,315,390.88-8,715,245.58-3,414,780.94

Finding the Fourth Proportional to 6,315,390.88, 8,715,245.58 and 3,414,780.94

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Solution

The fourth proportional to 6,315,390.88, 8,715,245.58 and 3,414,780.94 is: 4,712,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,390.88 : 8,715,245.58 = 3,414,780.94 : x
  2. Step 2: Convert to fraction form
    6,315,390.88/8,715,245.58 = 3,414,780.94/x
  3. Step 3: Cross multiply
    6,315,390.88x = 8,715,245.58 × 3,414,780.94
  4. Step 4: Simplify right side
    6,315,390.88x = 29,760,654,494,003.25
  5. Step 5: Solve for x
    x = 29,760,654,494,003.25/6,315,390.88
  6. Step 6: Final answer
    x = 4,712,401.03

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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.