Home / 1,618,968.12-2,428,230.60-481,905.80

Finding the Fourth Proportional to 1,618,968.12, 2,428,230.60 and 481,905.80

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Solution

The fourth proportional to 1,618,968.12, 2,428,230.60 and 481,905.80 is: 722,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,968.12 : 2,428,230.60 = 481,905.80 : x
  2. Step 2: Convert to fraction form
    1,618,968.12/2,428,230.60 = 481,905.80/x
  3. Step 3: Cross multiply
    1,618,968.12x = 2,428,230.60 × 481,905.80
  4. Step 4: Simplify right side
    1,618,968.12x = 1,170,178,409,877.48
  5. Step 5: Solve for x
    x = 1,170,178,409,877.48/1,618,968.12
  6. Step 6: Final answer
    x = 722,792.74

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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.