Home / 923,640.90-1,385,539.92-324,550.32

Finding the Fourth Proportional to 923,640.90, 1,385,539.92 and 324,550.32

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Solution

The fourth proportional to 923,640.90, 1,385,539.92 and 324,550.32 is: 486,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,640.90 : 1,385,539.92 = 324,550.32 : x
  2. Step 2: Convert to fraction form
    923,640.90/1,385,539.92 = 324,550.32/x
  3. Step 3: Cross multiply
    923,640.90x = 1,385,539.92 × 324,550.32
  4. Step 4: Simplify right side
    923,640.90x = 449,677,424,408.77
  5. Step 5: Solve for x
    x = 449,677,424,408.77/923,640.90
  6. Step 6: Final answer
    x = 486,853.09

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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.