Home / 672,630.88-1,008,093.12-665,512.06

Finding the Fourth Proportional to 672,630.88, 1,008,093.12 and 665,512.06

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Solution

The fourth proportional to 672,630.88, 1,008,093.12 and 665,512.06 is: 997,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,630.88 : 1,008,093.12 = 665,512.06 : x
  2. Step 2: Convert to fraction form
    672,630.88/1,008,093.12 = 665,512.06/x
  3. Step 3: Cross multiply
    672,630.88x = 1,008,093.12 × 665,512.06
  4. Step 4: Simplify right side
    672,630.88x = 670,898,128,963.03
  5. Step 5: Solve for x
    x = 670,898,128,963.03/672,630.88
  6. Step 6: Final answer
    x = 997,423.92

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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.