Home / 395,748.36-593,678.03-129,529.98

Finding the Fourth Proportional to 395,748.36, 593,678.03 and 129,529.98

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Solution

The fourth proportional to 395,748.36, 593,678.03 and 129,529.98 is: 194,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,748.36 : 593,678.03 = 129,529.98 : x
  2. Step 2: Convert to fraction form
    395,748.36/593,678.03 = 129,529.98/x
  3. Step 3: Cross multiply
    395,748.36x = 593,678.03 × 129,529.98
  4. Step 4: Simplify right side
    395,748.36x = 76,899,102,704.69
  5. Step 5: Solve for x
    x = 76,899,102,704.69/395,748.36
  6. Step 6: Final answer
    x = 194,313.13

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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.