Home / 393,719.43-590,673.24-127,480.26

Finding the Fourth Proportional to 393,719.43, 590,673.24 and 127,480.26

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Solution

The fourth proportional to 393,719.43, 590,673.24 and 127,480.26 is: 191,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,719.43 : 590,673.24 = 127,480.26 : x
  2. Step 2: Convert to fraction form
    393,719.43/590,673.24 = 127,480.26/x
  3. Step 3: Cross multiply
    393,719.43x = 590,673.24 × 127,480.26
  4. Step 4: Simplify right side
    393,719.43x = 75,299,178,210.24
  5. Step 5: Solve for x
    x = 75,299,178,210.24/393,719.43
  6. Step 6: Final answer
    x = 191,250.86

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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.