Home / 498,926.98-748,863.61-308,812.26

Finding the Fourth Proportional to 498,926.98, 748,863.61 and 308,812.26

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Solution

The fourth proportional to 498,926.98, 748,863.61 and 308,812.26 is: 463,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,926.98 : 748,863.61 = 308,812.26 : x
  2. Step 2: Convert to fraction form
    498,926.98/748,863.61 = 308,812.26/x
  3. Step 3: Cross multiply
    498,926.98x = 748,863.61 × 308,812.26
  4. Step 4: Simplify right side
    498,926.98x = 231,258,263,835.86
  5. Step 5: Solve for x
    x = 231,258,263,835.86/498,926.98
  6. Step 6: Final answer
    x = 463,511.24

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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.