Home / 958,425.97-1,322,631.53-528,699.91

Finding the Fourth Proportional to 958,425.97, 1,322,631.53 and 528,699.91

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Solution

The fourth proportional to 958,425.97, 1,322,631.53 and 528,699.91 is: 729,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,425.97 : 1,322,631.53 = 528,699.91 : x
  2. Step 2: Convert to fraction form
    958,425.97/1,322,631.53 = 528,699.91/x
  3. Step 3: Cross multiply
    958,425.97x = 1,322,631.53 × 528,699.91
  4. Step 4: Simplify right side
    958,425.97x = 699,275,168,889.33
  5. Step 5: Solve for x
    x = 699,275,168,889.33/958,425.97
  6. Step 6: Final answer
    x = 729,607.91

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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.