Home / 498,921.18-748,914.59-214,752.48

Finding the Fourth Proportional to 498,921.18, 748,914.59 and 214,752.48

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Solution

The fourth proportional to 498,921.18, 748,914.59 and 214,752.48 is: 322,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,921.18 : 748,914.59 = 214,752.48 : x
  2. Step 2: Convert to fraction form
    498,921.18/748,914.59 = 214,752.48/x
  3. Step 3: Cross multiply
    498,921.18x = 748,914.59 × 214,752.48
  4. Step 4: Simplify right side
    498,921.18x = 160,831,265,510.68
  5. Step 5: Solve for x
    x = 160,831,265,510.68/498,921.18
  6. Step 6: Final answer
    x = 322,358.06

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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.