Home / 424,958.24-637,288.78-125,359.26

Finding the Fourth Proportional to 424,958.24, 637,288.78 and 125,359.26

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Solution

The fourth proportional to 424,958.24, 637,288.78 and 125,359.26 is: 187,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,958.24 : 637,288.78 = 125,359.26 : x
  2. Step 2: Convert to fraction form
    424,958.24/637,288.78 = 125,359.26/x
  3. Step 3: Cross multiply
    424,958.24x = 637,288.78 × 125,359.26
  4. Step 4: Simplify right side
    424,958.24x = 79,890,049,867.10
  5. Step 5: Solve for x
    x = 79,890,049,867.10/424,958.24
  6. Step 6: Final answer
    x = 187,995.06

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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.