Home / 595,020.20-820,922.66-380,285.96

Finding the Fourth Proportional to 595,020.20, 820,922.66 and 380,285.96

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Solution

The fourth proportional to 595,020.20, 820,922.66 and 380,285.96 is: 524,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,020.20 : 820,922.66 = 380,285.96 : x
  2. Step 2: Convert to fraction form
    595,020.20/820,922.66 = 380,285.96/x
  3. Step 3: Cross multiply
    595,020.20x = 820,922.66 × 380,285.96
  4. Step 4: Simplify right side
    595,020.20x = 312,185,361,843.85
  5. Step 5: Solve for x
    x = 312,185,361,843.85/595,020.20
  6. Step 6: Final answer
    x = 524,663.47

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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.