Home / 333,738.80-497,631.20-296,647.28

Finding the Fourth Proportional to 333,738.80, 497,631.20 and 296,647.28

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Solution

The fourth proportional to 333,738.80, 497,631.20 and 296,647.28 is: 442,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,738.80 : 497,631.20 = 296,647.28 : x
  2. Step 2: Convert to fraction form
    333,738.80/497,631.20 = 296,647.28/x
  3. Step 3: Cross multiply
    333,738.80x = 497,631.20 × 296,647.28
  4. Step 4: Simplify right side
    333,738.80x = 147,620,941,923.14
  5. Step 5: Solve for x
    x = 147,620,941,923.14/333,738.80
  6. Step 6: Final answer
    x = 442,324.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.