Home / 1,330,173.60-1,993,899.60-655,216.80

Finding the Fourth Proportional to 1,330,173.60, 1,993,899.60 and 655,216.80

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Solution

The fourth proportional to 1,330,173.60, 1,993,899.60 and 655,216.80 is: 982,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,173.60 : 1,993,899.60 = 655,216.80 : x
  2. Step 2: Convert to fraction form
    1,330,173.60/1,993,899.60 = 655,216.80/x
  3. Step 3: Cross multiply
    1,330,173.60x = 1,993,899.60 × 655,216.80
  4. Step 4: Simplify right side
    1,330,173.60x = 1,306,436,515,433.28
  5. Step 5: Solve for x
    x = 1,306,436,515,433.28/1,330,173.60
  6. Step 6: Final answer
    x = 982,154.90

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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.