Home / 954,540.32-1,317,290.59-518,986.97

Finding the Fourth Proportional to 954,540.32, 1,317,290.59 and 518,986.97

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Solution

The fourth proportional to 954,540.32, 1,317,290.59 and 518,986.97 is: 716,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,540.32 : 1,317,290.59 = 518,986.97 : x
  2. Step 2: Convert to fraction form
    954,540.32/1,317,290.59 = 518,986.97/x
  3. Step 3: Cross multiply
    954,540.32x = 1,317,290.59 × 518,986.97
  4. Step 4: Simplify right side
    954,540.32x = 683,656,647,322.92
  5. Step 5: Solve for x
    x = 683,656,647,322.92/954,540.32
  6. Step 6: Final answer
    x = 716,215.58

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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.