Home / 546,436.20-819,654.30-513,193.80

Finding the Fourth Proportional to 546,436.20, 819,654.30 and 513,193.80

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Solution

The fourth proportional to 546,436.20, 819,654.30 and 513,193.80 is: 769,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,436.20 : 819,654.30 = 513,193.80 : x
  2. Step 2: Convert to fraction form
    546,436.20/819,654.30 = 513,193.80/x
  3. Step 3: Cross multiply
    546,436.20x = 819,654.30 × 513,193.80
  4. Step 4: Simplify right side
    546,436.20x = 420,641,504,903.34
  5. Step 5: Solve for x
    x = 420,641,504,903.34/546,436.20
  6. Step 6: Final answer
    x = 769,790.70

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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.