Home / 391,953.04-541,162.32-263,084.80

Finding the Fourth Proportional to 391,953.04, 541,162.32 and 263,084.80

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Solution

The fourth proportional to 391,953.04, 541,162.32 and 263,084.80 is: 363,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,953.04 : 541,162.32 = 263,084.80 : x
  2. Step 2: Convert to fraction form
    391,953.04/541,162.32 = 263,084.80/x
  3. Step 3: Cross multiply
    391,953.04x = 541,162.32 × 263,084.80
  4. Step 4: Simplify right side
    391,953.04x = 142,371,580,724.74
  5. Step 5: Solve for x
    x = 142,371,580,724.74/391,953.04
  6. Step 6: Final answer
    x = 363,236.32

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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.