Home / 392,922.65-589,388.09-314,535.17

Finding the Fourth Proportional to 392,922.65, 589,388.09 and 314,535.17

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Solution

The fourth proportional to 392,922.65, 589,388.09 and 314,535.17 is: 471,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,922.65 : 589,388.09 = 314,535.17 : x
  2. Step 2: Convert to fraction form
    392,922.65/589,388.09 = 314,535.17/x
  3. Step 3: Cross multiply
    392,922.65x = 589,388.09 × 314,535.17
  4. Step 4: Simplify right side
    392,922.65x = 185,383,278,564.51
  5. Step 5: Solve for x
    x = 185,383,278,564.51/392,922.65
  6. Step 6: Final answer
    x = 471,806.04

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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.