Home / 866,912.88-1,196,580.20-504,406.76

Finding the Fourth Proportional to 866,912.88, 1,196,580.20 and 504,406.76

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Solution

The fourth proportional to 866,912.88, 1,196,580.20 and 504,406.76 is: 696,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,912.88 : 1,196,580.20 = 504,406.76 : x
  2. Step 2: Convert to fraction form
    866,912.88/1,196,580.20 = 504,406.76/x
  3. Step 3: Cross multiply
    866,912.88x = 1,196,580.20 × 504,406.76
  4. Step 4: Simplify right side
    866,912.88x = 603,563,133,257.22
  5. Step 5: Solve for x
    x = 603,563,133,257.22/866,912.88
  6. Step 6: Final answer
    x = 696,221.21

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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.