Home / 854,241.20-1,281,361.80-540,090.80

Finding the Fourth Proportional to 854,241.20, 1,281,361.80 and 540,090.80

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Solution

The fourth proportional to 854,241.20, 1,281,361.80 and 540,090.80 is: 810,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,241.20 : 1,281,361.80 = 540,090.80 : x
  2. Step 2: Convert to fraction form
    854,241.20/1,281,361.80 = 540,090.80/x
  3. Step 3: Cross multiply
    854,241.20x = 1,281,361.80 × 540,090.80
  4. Step 4: Simplify right side
    854,241.20x = 692,051,719,651.44
  5. Step 5: Solve for x
    x = 692,051,719,651.44/854,241.20
  6. Step 6: Final answer
    x = 810,136.20

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1.5x scale

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.