Home / 958,369.10-1,322,447.21-528,649.22

Finding the Fourth Proportional to 958,369.10, 1,322,447.21 and 528,649.22

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Solution

The fourth proportional to 958,369.10, 1,322,447.21 and 528,649.22 is: 729,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,369.10 : 1,322,447.21 = 528,649.22 : x
  2. Step 2: Convert to fraction form
    958,369.10/1,322,447.21 = 528,649.22/x
  3. Step 3: Cross multiply
    958,369.10x = 1,322,447.21 × 528,649.22
  4. Step 4: Simplify right side
    958,369.10x = 699,110,690,685.42
  5. Step 5: Solve for x
    x = 699,110,690,685.42/958,369.10
  6. Step 6: Final answer
    x = 729,479.59

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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.