Home / 923,808.20-1,385,906.70-292,785.80

Finding the Fourth Proportional to 923,808.20, 1,385,906.70 and 292,785.80

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Solution

The fourth proportional to 923,808.20, 1,385,906.70 and 292,785.80 is: 439,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,808.20 : 1,385,906.70 = 292,785.80 : x
  2. Step 2: Convert to fraction form
    923,808.20/1,385,906.70 = 292,785.80/x
  3. Step 3: Cross multiply
    923,808.20x = 1,385,906.70 × 292,785.80
  4. Step 4: Simplify right side
    923,808.20x = 405,773,801,884.86
  5. Step 5: Solve for x
    x = 405,773,801,884.86/923,808.20
  6. Step 6: Final answer
    x = 439,240.31

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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.