Home / 756,076.20-1,134,632.70-335,653.80

Finding the Fourth Proportional to 756,076.20, 1,134,632.70 and 335,653.80

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Solution

The fourth proportional to 756,076.20, 1,134,632.70 and 335,653.80 is: 503,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,076.20 : 1,134,632.70 = 335,653.80 : x
  2. Step 2: Convert to fraction form
    756,076.20/1,134,632.70 = 335,653.80/x
  3. Step 3: Cross multiply
    756,076.20x = 1,134,632.70 × 335,653.80
  4. Step 4: Simplify right side
    756,076.20x = 380,843,777,359.26
  5. Step 5: Solve for x
    x = 380,843,777,359.26/756,076.20
  6. Step 6: Final answer
    x = 503,710.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.