Home / 533,515.40-800,273.10-449,534.60

Finding the Fourth Proportional to 533,515.40, 800,273.10 and 449,534.60

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Solution

The fourth proportional to 533,515.40, 800,273.10 and 449,534.60 is: 674,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,515.40 : 800,273.10 = 449,534.60 : x
  2. Step 2: Convert to fraction form
    533,515.40/800,273.10 = 449,534.60/x
  3. Step 3: Cross multiply
    533,515.40x = 800,273.10 × 449,534.60
  4. Step 4: Simplify right side
    533,515.40x = 359,750,447,899.26
  5. Step 5: Solve for x
    x = 359,750,447,899.26/533,515.40
  6. Step 6: Final answer
    x = 674,301.90

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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.