Home / 433,261.56-649,905.78-117,717.24

Finding the Fourth Proportional to 433,261.56, 649,905.78 and 117,717.24

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Solution

The fourth proportional to 433,261.56, 649,905.78 and 117,717.24 is: 176,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,261.56 : 649,905.78 = 117,717.24 : x
  2. Step 2: Convert to fraction form
    433,261.56/649,905.78 = 117,717.24/x
  3. Step 3: Cross multiply
    433,261.56x = 649,905.78 × 117,717.24
  4. Step 4: Simplify right side
    433,261.56x = 76,505,114,681.65
  5. Step 5: Solve for x
    x = 76,505,114,681.65/433,261.56
  6. Step 6: Final answer
    x = 176,579.51

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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.