Home / 326,109.40-489,164.10-224,632.60

Finding the Fourth Proportional to 326,109.40, 489,164.10 and 224,632.60

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Solution

The fourth proportional to 326,109.40, 489,164.10 and 224,632.60 is: 336,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,109.40 : 489,164.10 = 224,632.60 : x
  2. Step 2: Convert to fraction form
    326,109.40/489,164.10 = 224,632.60/x
  3. Step 3: Cross multiply
    326,109.40x = 489,164.10 × 224,632.60
  4. Step 4: Simplify right side
    326,109.40x = 109,882,203,609.66
  5. Step 5: Solve for x
    x = 109,882,203,609.66/326,109.40
  6. Step 6: Final answer
    x = 336,948.90

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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.