Home / 1,639,113.64-2,457,268.04-628,960.48

Finding the Fourth Proportional to 1,639,113.64, 2,457,268.04 and 628,960.48

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Solution

The fourth proportional to 1,639,113.64, 2,457,268.04 and 628,960.48 is: 942,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,113.64 : 2,457,268.04 = 628,960.48 : x
  2. Step 2: Convert to fraction form
    1,639,113.64/2,457,268.04 = 628,960.48/x
  3. Step 3: Cross multiply
    1,639,113.64x = 2,457,268.04 × 628,960.48
  4. Step 4: Simplify right side
    1,639,113.64x = 1,545,524,481,356.29
  5. Step 5: Solve for x
    x = 1,545,524,481,356.29/1,639,113.64
  6. Step 6: Final answer
    x = 942,902.58

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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.