Home / 444,436.48-666,720.28-128,852.38

Finding the Fourth Proportional to 444,436.48, 666,720.28 and 128,852.38

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Solution

The fourth proportional to 444,436.48, 666,720.28 and 128,852.38 is: 193,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,436.48 : 666,720.28 = 128,852.38 : x
  2. Step 2: Convert to fraction form
    444,436.48/666,720.28 = 128,852.38/x
  3. Step 3: Cross multiply
    444,436.48x = 666,720.28 × 128,852.38
  4. Step 4: Simplify right side
    444,436.48x = 85,908,494,872.27
  5. Step 5: Solve for x
    x = 85,908,494,872.27/444,436.48
  6. Step 6: Final answer
    x = 193,297.58

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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.