Home / 393,824.16-590,829.36-127,584.24

Finding the Fourth Proportional to 393,824.16, 590,829.36 and 127,584.24

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Solution

The fourth proportional to 393,824.16, 590,829.36 and 127,584.24 is: 191,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,824.16 : 590,829.36 = 127,584.24 : x
  2. Step 2: Convert to fraction form
    393,824.16/590,829.36 = 127,584.24/x
  3. Step 3: Cross multiply
    393,824.16x = 590,829.36 × 127,584.24
  4. Step 4: Simplify right side
    393,824.16x = 75,380,514,865.29
  5. Step 5: Solve for x
    x = 75,380,514,865.29/393,824.16
  6. Step 6: Final answer
    x = 191,406.53

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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.