Home / 958,491.90-1,322,723.30-528,771.92

Finding the Fourth Proportional to 958,491.90, 1,322,723.30 and 528,771.92

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Solution

The fourth proportional to 958,491.90, 1,322,723.30 and 528,771.92 is: 729,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,491.90 : 1,322,723.30 = 528,771.92 : x
  2. Step 2: Convert to fraction form
    958,491.90/1,322,723.30 = 528,771.92/x
  3. Step 3: Cross multiply
    958,491.90x = 1,322,723.30 × 528,771.92
  4. Step 4: Simplify right side
    958,491.90x = 699,418,929,712.26
  5. Step 5: Solve for x
    x = 699,418,929,712.26/958,491.90
  6. Step 6: Final answer
    x = 729,707.71

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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.