Home / 384,831.40-576,858.30-174,620.20

Finding the Fourth Proportional to 384,831.40, 576,858.30 and 174,620.20

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Solution

The fourth proportional to 384,831.40, 576,858.30 and 174,620.20 is: 261,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,831.40 : 576,858.30 = 174,620.20 : x
  2. Step 2: Convert to fraction form
    384,831.40/576,858.30 = 174,620.20/x
  3. Step 3: Cross multiply
    384,831.40x = 576,858.30 × 174,620.20
  4. Step 4: Simplify right side
    384,831.40x = 100,731,111,717.66
  5. Step 5: Solve for x
    x = 100,731,111,717.66/384,831.40
  6. Step 6: Final answer
    x = 261,753.88

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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.