Home / 445,094.48-667,434.36-258,159.44

Finding the Fourth Proportional to 445,094.48, 667,434.36 and 258,159.44

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Solution

The fourth proportional to 445,094.48, 667,434.36 and 258,159.44 is: 387,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,094.48 : 667,434.36 = 258,159.44 : x
  2. Step 2: Convert to fraction form
    445,094.48/667,434.36 = 258,159.44/x
  3. Step 3: Cross multiply
    445,094.48x = 667,434.36 × 258,159.44
  4. Step 4: Simplify right side
    445,094.48x = 172,304,480,614.36
  5. Step 5: Solve for x
    x = 172,304,480,614.36/445,094.48
  6. Step 6: Final answer
    x = 387,118.89

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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.