Home / 923,788.19-1,385,531.33-324,609.12

Finding the Fourth Proportional to 923,788.19, 1,385,531.33 and 324,609.12

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Solution

The fourth proportional to 923,788.19, 1,385,531.33 and 324,609.12 is: 486,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,788.19 : 1,385,531.33 = 324,609.12 : x
  2. Step 2: Convert to fraction form
    923,788.19/1,385,531.33 = 324,609.12/x
  3. Step 3: Cross multiply
    923,788.19x = 1,385,531.33 × 324,609.12
  4. Step 4: Simplify right side
    923,788.19x = 449,756,104,140.68
  5. Step 5: Solve for x
    x = 449,756,104,140.68/923,788.19
  6. Step 6: Final answer
    x = 486,860.63

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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.