Home / 413,071.31-619,636.58-172,943.57

Finding the Fourth Proportional to 413,071.31, 619,636.58 and 172,943.57

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Solution

The fourth proportional to 413,071.31, 619,636.58 and 172,943.57 is: 259,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,071.31 : 619,636.58 = 172,943.57 : x
  2. Step 2: Convert to fraction form
    413,071.31/619,636.58 = 172,943.57/x
  3. Step 3: Cross multiply
    413,071.31x = 619,636.58 × 172,943.57
  4. Step 4: Simplify right side
    413,071.31x = 107,162,162,247.79
  5. Step 5: Solve for x
    x = 107,162,162,247.79/413,071.31
  6. Step 6: Final answer
    x = 259,427.75

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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.