Home / 452,814.80-677,609.40-394,293.20

Finding the Fourth Proportional to 452,814.80, 677,609.40 and 394,293.20

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Solution

The fourth proportional to 452,814.80, 677,609.40 and 394,293.20 is: 590,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,814.80 : 677,609.40 = 394,293.20 : x
  2. Step 2: Convert to fraction form
    452,814.80/677,609.40 = 394,293.20/x
  3. Step 3: Cross multiply
    452,814.80x = 677,609.40 × 394,293.20
  4. Step 4: Simplify right side
    452,814.80x = 267,176,778,676.08
  5. Step 5: Solve for x
    x = 267,176,778,676.08/452,814.80
  6. Step 6: Final answer
    x = 590,035.44

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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.