Home / 833,540.83-1,250,311.21-384,128.73

Finding the Fourth Proportional to 833,540.83, 1,250,311.21 and 384,128.73

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Solution

The fourth proportional to 833,540.83, 1,250,311.21 and 384,128.73 is: 576,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,540.83 : 1,250,311.21 = 384,128.73 : x
  2. Step 2: Convert to fraction form
    833,540.83/1,250,311.21 = 384,128.73/x
  3. Step 3: Cross multiply
    833,540.83x = 1,250,311.21 × 384,128.73
  4. Step 4: Simplify right side
    833,540.83x = 480,280,456,241.74
  5. Step 5: Solve for x
    x = 480,280,456,241.74/833,540.83
  6. Step 6: Final answer
    x = 576,193.08

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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.