Home / 1,639,899.28-2,460,608.16-628,683.04

Finding the Fourth Proportional to 1,639,899.28, 2,460,608.16 and 628,683.04

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Solution

The fourth proportional to 1,639,899.28, 2,460,608.16 and 628,683.04 is: 943,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,899.28 : 2,460,608.16 = 628,683.04 : x
  2. Step 2: Convert to fraction form
    1,639,899.28/2,460,608.16 = 628,683.04/x
  3. Step 3: Cross multiply
    1,639,899.28x = 2,460,608.16 × 628,683.04
  4. Step 4: Simplify right side
    1,639,899.28x = 1,546,942,618,277.61
  5. Step 5: Solve for x
    x = 1,546,942,618,277.61/1,639,899.28
  6. Step 6: Final answer
    x = 943,315.63

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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.