Home / 591,105.20-815,409.95-361,773.63

Finding the Fourth Proportional to 591,105.20, 815,409.95 and 361,773.63

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Solution

The fourth proportional to 591,105.20, 815,409.95 and 361,773.63 is: 499,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,105.20 : 815,409.95 = 361,773.63 : x
  2. Step 2: Convert to fraction form
    591,105.20/815,409.95 = 361,773.63/x
  3. Step 3: Cross multiply
    591,105.20x = 815,409.95 × 361,773.63
  4. Step 4: Simplify right side
    591,105.20x = 294,993,815,740.75
  5. Step 5: Solve for x
    x = 294,993,815,740.75/591,105.20
  6. Step 6: Final answer
    x = 499,054.68

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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.