Home / 454,126.35-679,971.33-253,876.44

Finding the Fourth Proportional to 454,126.35, 679,971.33 and 253,876.44

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Solution

The fourth proportional to 454,126.35, 679,971.33 and 253,876.44 is: 380,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,126.35 : 679,971.33 = 253,876.44 : x
  2. Step 2: Convert to fraction form
    454,126.35/679,971.33 = 253,876.44/x
  3. Step 3: Cross multiply
    454,126.35x = 679,971.33 × 253,876.44
  4. Step 4: Simplify right side
    454,126.35x = 172,628,700,562.47
  5. Step 5: Solve for x
    x = 172,628,700,562.47/454,126.35
  6. Step 6: Final answer
    x = 380,133.64

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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.