Home / 326,022.20-489,033.30-323,948.60

Finding the Fourth Proportional to 326,022.20, 489,033.30 and 323,948.60

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Solution

The fourth proportional to 326,022.20, 489,033.30 and 323,948.60 is: 485,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,022.20 : 489,033.30 = 323,948.60 : x
  2. Step 2: Convert to fraction form
    326,022.20/489,033.30 = 323,948.60/x
  3. Step 3: Cross multiply
    326,022.20x = 489,033.30 × 323,948.60
  4. Step 4: Simplify right side
    326,022.20x = 158,421,652,888.38
  5. Step 5: Solve for x
    x = 158,421,652,888.38/326,022.20
  6. Step 6: Final answer
    x = 485,922.90

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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.