Home / 380,980.24-571,732.82-170,853.28

Finding the Fourth Proportional to 380,980.24, 571,732.82 and 170,853.28

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Solution

The fourth proportional to 380,980.24, 571,732.82 and 170,853.28 is: 256,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,980.24 : 571,732.82 = 170,853.28 : x
  2. Step 2: Convert to fraction form
    380,980.24/571,732.82 = 170,853.28/x
  3. Step 3: Cross multiply
    380,980.24x = 571,732.82 × 170,853.28
  4. Step 4: Simplify right side
    380,980.24x = 97,682,427,580.65
  5. Step 5: Solve for x
    x = 97,682,427,580.65/380,980.24
  6. Step 6: Final answer
    x = 256,397.62

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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.