Home / 954,629.80-1,431,938.22-323,987.56

Finding the Fourth Proportional to 954,629.80, 1,431,938.22 and 323,987.56

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Solution

The fourth proportional to 954,629.80, 1,431,938.22 and 323,987.56 is: 485,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,629.80 : 1,431,938.22 = 323,987.56 : x
  2. Step 2: Convert to fraction form
    954,629.80/1,431,938.22 = 323,987.56/x
  3. Step 3: Cross multiply
    954,629.80x = 1,431,938.22 × 323,987.56
  4. Step 4: Simplify right side
    954,629.80x = 463,930,169,968.54
  5. Step 5: Solve for x
    x = 463,930,169,968.54/954,629.80
  6. Step 6: Final answer
    x = 485,979.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.