Home / 958,638.22-1,322,924.97-528,918.10

Finding the Fourth Proportional to 958,638.22, 1,322,924.97 and 528,918.10

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Solution

The fourth proportional to 958,638.22, 1,322,924.97 and 528,918.10 is: 729,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,638.22 : 1,322,924.97 = 528,918.10 : x
  2. Step 2: Convert to fraction form
    958,638.22/1,322,924.97 = 528,918.10/x
  3. Step 3: Cross multiply
    958,638.22x = 1,322,924.97 × 528,918.10
  4. Step 4: Simplify right side
    958,638.22x = 699,718,961,574.96
  5. Step 5: Solve for x
    x = 699,718,961,574.96/958,638.22
  6. Step 6: Final answer
    x = 729,909.31

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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.