Home / 729,859.56-1,007,680.12-653,245.98

Finding the Fourth Proportional to 729,859.56, 1,007,680.12 and 653,245.98

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Solution

The fourth proportional to 729,859.56, 1,007,680.12 and 653,245.98 is: 901,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,859.56 : 1,007,680.12 = 653,245.98 : x
  2. Step 2: Convert to fraction form
    729,859.56/1,007,680.12 = 653,245.98/x
  3. Step 3: Cross multiply
    729,859.56x = 1,007,680.12 × 653,245.98
  4. Step 4: Simplify right side
    729,859.56x = 658,262,987,515.92
  5. Step 5: Solve for x
    x = 658,262,987,515.92/729,859.56
  6. Step 6: Final answer
    x = 901,903.63

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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.