Home / 397,821.13-596,786.67-127,956.88

Finding the Fourth Proportional to 397,821.13, 596,786.67 and 127,956.88

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Solution

The fourth proportional to 397,821.13, 596,786.67 and 127,956.88 is: 191,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,821.13 : 596,786.67 = 127,956.88 : x
  2. Step 2: Convert to fraction form
    397,821.13/596,786.67 = 127,956.88/x
  3. Step 3: Cross multiply
    397,821.13x = 596,786.67 × 127,956.88
  4. Step 4: Simplify right side
    397,821.13x = 76,362,960,318.79
  5. Step 5: Solve for x
    x = 76,362,960,318.79/397,821.13
  6. Step 6: Final answer
    x = 191,953.00

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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.