Home / 633,106.80-873,770.75-361,112.33

Finding the Fourth Proportional to 633,106.80, 873,770.75 and 361,112.33

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Solution

The fourth proportional to 633,106.80, 873,770.75 and 361,112.33 is: 498,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,106.80 : 873,770.75 = 361,112.33 : x
  2. Step 2: Convert to fraction form
    633,106.80/873,770.75 = 361,112.33/x
  3. Step 3: Cross multiply
    633,106.80x = 873,770.75 × 361,112.33
  4. Step 4: Simplify right side
    633,106.80x = 315,529,385,243.93
  5. Step 5: Solve for x
    x = 315,529,385,243.93/633,106.80
  6. Step 6: Final answer
    x = 498,382.56

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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.