Home / 957,825.82-1,321,809.96-522,239.58

Finding the Fourth Proportional to 957,825.82, 1,321,809.96 and 522,239.58

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Solution

The fourth proportional to 957,825.82, 1,321,809.96 and 522,239.58 is: 720,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,825.82 : 1,321,809.96 = 522,239.58 : x
  2. Step 2: Convert to fraction form
    957,825.82/1,321,809.96 = 522,239.58/x
  3. Step 3: Cross multiply
    957,825.82x = 1,321,809.96 × 522,239.58
  4. Step 4: Simplify right side
    957,825.82x = 690,301,478,350.22
  5. Step 5: Solve for x
    x = 690,301,478,350.22/957,825.82
  6. Step 6: Final answer
    x = 720,696.25

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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.