Home / 1,617,093.12-2,425,629.60-419,012.40

Finding the Fourth Proportional to 1,617,093.12, 2,425,629.60 and 419,012.40

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Solution

The fourth proportional to 1,617,093.12, 2,425,629.60 and 419,012.40 is: 628,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,093.12 : 2,425,629.60 = 419,012.40 : x
  2. Step 2: Convert to fraction form
    1,617,093.12/2,425,629.60 = 419,012.40/x
  3. Step 3: Cross multiply
    1,617,093.12x = 2,425,629.60 × 419,012.40
  4. Step 4: Simplify right side
    1,617,093.12x = 1,016,368,880,207.04
  5. Step 5: Solve for x
    x = 1,016,368,880,207.04/1,617,093.12
  6. Step 6: Final answer
    x = 628,515.99

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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.