Home / 392,568.06-588,852.36-126,328.52

Finding the Fourth Proportional to 392,568.06, 588,852.36 and 126,328.52

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Solution

The fourth proportional to 392,568.06, 588,852.36 and 126,328.52 is: 189,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,568.06 : 588,852.36 = 126,328.52 : x
  2. Step 2: Convert to fraction form
    392,568.06/588,852.36 = 126,328.52/x
  3. Step 3: Cross multiply
    392,568.06x = 588,852.36 × 126,328.52
  4. Step 4: Simplify right side
    392,568.06x = 74,388,847,137.31
  5. Step 5: Solve for x
    x = 74,388,847,137.31/392,568.06
  6. Step 6: Final answer
    x = 189,492.87

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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.