Home / 1,311,748.88-1,965,919-591,561.68

Finding the Fourth Proportional to 1,311,748.88, 1,965,919 and 591,561.68

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Solution

The fourth proportional to 1,311,748.88, 1,965,919 and 591,561.68 is: 886,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,748.88 : 1,965,919 = 591,561.68 : x
  2. Step 2: Convert to fraction form
    1,311,748.88/1,965,919 = 591,561.68/x
  3. Step 3: Cross multiply
    1,311,748.88x = 1,965,919 × 591,561.68
  4. Step 4: Simplify right side
    1,311,748.88x = 1,162,962,346,383.92
  5. Step 5: Solve for x
    x = 1,162,962,346,383.92/1,311,748.88
  6. Step 6: Final answer
    x = 886,573.92

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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.