Home / 6,417,546.12-8,860,239.54-4,129,682.76

Finding the Fourth Proportional to 6,417,546.12, 8,860,239.54 and 4,129,682.76

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Solution

The fourth proportional to 6,417,546.12, 8,860,239.54 and 4,129,682.76 is: 5,701,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417,546.12 : 8,860,239.54 = 4,129,682.76 : x
  2. Step 2: Convert to fraction form
    6,417,546.12/8,860,239.54 = 4,129,682.76/x
  3. Step 3: Cross multiply
    6,417,546.12x = 8,860,239.54 × 4,129,682.76
  4. Step 4: Simplify right side
    6,417,546.12x = 36,589,978,477,808.33
  5. Step 5: Solve for x
    x = 36,589,978,477,808.33/6,417,546.12
  6. Step 6: Final answer
    x = 5,701,552.87

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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.