Home / 301,284.18-451,928.88-76,644.84

Finding the Fourth Proportional to 301,284.18, 451,928.88 and 76,644.84

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Solution

The fourth proportional to 301,284.18, 451,928.88 and 76,644.84 is: 114,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,284.18 : 451,928.88 = 76,644.84 : x
  2. Step 2: Convert to fraction form
    301,284.18/451,928.88 = 76,644.84/x
  3. Step 3: Cross multiply
    301,284.18x = 451,928.88 × 76,644.84
  4. Step 4: Simplify right side
    301,284.18x = 34,638,016,698.98
  5. Step 5: Solve for x
    x = 34,638,016,698.98/301,284.18
  6. Step 6: Final answer
    x = 114,967.92

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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.