Home / 587,566.55-810,543.38-383,736.78

Finding the Fourth Proportional to 587,566.55, 810,543.38 and 383,736.78

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Solution

The fourth proportional to 587,566.55, 810,543.38 and 383,736.78 is: 529,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,566.55 : 810,543.38 = 383,736.78 : x
  2. Step 2: Convert to fraction form
    587,566.55/810,543.38 = 383,736.78/x
  3. Step 3: Cross multiply
    587,566.55x = 810,543.38 × 383,736.78
  4. Step 4: Simplify right side
    587,566.55x = 311,035,306,211.85
  5. Step 5: Solve for x
    x = 311,035,306,211.85/587,566.55
  6. Step 6: Final answer
    x = 529,361.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.