Home / 954,540.07-1,317,290.24-518,986.72

Finding the Fourth Proportional to 954,540.07, 1,317,290.24 and 518,986.72

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Solution

The fourth proportional to 954,540.07, 1,317,290.24 and 518,986.72 is: 716,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,540.07 : 1,317,290.24 = 518,986.72 : x
  2. Step 2: Convert to fraction form
    954,540.07/1,317,290.24 = 518,986.72/x
  3. Step 3: Cross multiply
    954,540.07x = 1,317,290.24 × 518,986.72
  4. Step 4: Simplify right side
    954,540.07x = 683,656,140,184.81
  5. Step 5: Solve for x
    x = 683,656,140,184.81/954,540.07
  6. Step 6: Final answer
    x = 716,215.23

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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.