Home / 923,511.83-1,385,406.26-324,367.40

Finding the Fourth Proportional to 923,511.83, 1,385,406.26 and 324,367.40

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Solution

The fourth proportional to 923,511.83, 1,385,406.26 and 324,367.40 is: 486,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,511.83 : 1,385,406.26 = 324,367.40 : x
  2. Step 2: Convert to fraction form
    923,511.83/1,385,406.26 = 324,367.40/x
  3. Step 3: Cross multiply
    923,511.83x = 1,385,406.26 × 324,367.40
  4. Step 4: Simplify right side
    923,511.83x = 449,380,620,383.81
  5. Step 5: Solve for x
    x = 449,380,620,383.81/923,511.83
  6. Step 6: Final answer
    x = 486,599.75

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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.