Home / 893,570.62-1,233,139.94-485,672.34

Finding the Fourth Proportional to 893,570.62, 1,233,139.94 and 485,672.34

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Solution

The fourth proportional to 893,570.62, 1,233,139.94 and 485,672.34 is: 670,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,570.62 : 1,233,139.94 = 485,672.34 : x
  2. Step 2: Convert to fraction form
    893,570.62/1,233,139.94 = 485,672.34/x
  3. Step 3: Cross multiply
    893,570.62x = 1,233,139.94 × 485,672.34
  4. Step 4: Simplify right side
    893,570.62x = 598,901,960,207.26
  5. Step 5: Solve for x
    x = 598,901,960,207.26/893,570.62
  6. Step 6: Final answer
    x = 670,234.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.