Home / 657,452.20-985,602.30-446,405.80

Finding the Fourth Proportional to 657,452.20, 985,602.30 and 446,405.80

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Solution

The fourth proportional to 657,452.20, 985,602.30 and 446,405.80 is: 669,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,452.20 : 985,602.30 = 446,405.80 : x
  2. Step 2: Convert to fraction form
    657,452.20/985,602.30 = 446,405.80/x
  3. Step 3: Cross multiply
    657,452.20x = 985,602.30 × 446,405.80
  4. Step 4: Simplify right side
    657,452.20x = 439,978,583,213.34
  5. Step 5: Solve for x
    x = 439,978,583,213.34/657,452.20
  6. Step 6: Final answer
    x = 669,217.60

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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.