Home / 433,123.20-649,684.80-183,772.80

Finding the Fourth Proportional to 433,123.20, 649,684.80 and 183,772.80

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Solution

The fourth proportional to 433,123.20, 649,684.80 and 183,772.80 is: 275,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,123.20 : 649,684.80 = 183,772.80 : x
  2. Step 2: Convert to fraction form
    433,123.20/649,684.80 = 183,772.80/x
  3. Step 3: Cross multiply
    433,123.20x = 649,684.80 × 183,772.80
  4. Step 4: Simplify right side
    433,123.20x = 119,394,394,813.44
  5. Step 5: Solve for x
    x = 119,394,394,813.44/433,123.20
  6. Step 6: Final answer
    x = 275,659.20

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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.