Home / 768,686.55-1,153,029.83-436,910.55

Finding the Fourth Proportional to 768,686.55, 1,153,029.83 and 436,910.55

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Solution

The fourth proportional to 768,686.55, 1,153,029.83 and 436,910.55 is: 655,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,686.55 : 1,153,029.83 = 436,910.55 : x
  2. Step 2: Convert to fraction form
    768,686.55/1,153,029.83 = 436,910.55/x
  3. Step 3: Cross multiply
    768,686.55x = 1,153,029.83 × 436,910.55
  4. Step 4: Simplify right side
    768,686.55x = 503,770,895,007.15
  5. Step 5: Solve for x
    x = 503,770,895,007.15/768,686.55
  6. Step 6: Final answer
    x = 655,365.83

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Similar ratio
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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.