Home / 1,427,821.98-2,141,740.25-481,200.90

Finding the Fourth Proportional to 1,427,821.98, 2,141,740.25 and 481,200.90

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Solution

The fourth proportional to 1,427,821.98, 2,141,740.25 and 481,200.90 is: 721,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,821.98 : 2,141,740.25 = 481,200.90 : x
  2. Step 2: Convert to fraction form
    1,427,821.98/2,141,740.25 = 481,200.90/x
  3. Step 3: Cross multiply
    1,427,821.98x = 2,141,740.25 × 481,200.90
  4. Step 4: Simplify right side
    1,427,821.98x = 1,030,607,325,157.52
  5. Step 5: Solve for x
    x = 1,030,607,325,157.52/1,427,821.98
  6. Step 6: Final answer
    x = 721,803.80

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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.