Home / 655,738.20-983,607.30-403,795.80

Finding the Fourth Proportional to 655,738.20, 983,607.30 and 403,795.80

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Solution

The fourth proportional to 655,738.20, 983,607.30 and 403,795.80 is: 605,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,738.20 : 983,607.30 = 403,795.80 : x
  2. Step 2: Convert to fraction form
    655,738.20/983,607.30 = 403,795.80/x
  3. Step 3: Cross multiply
    655,738.20x = 983,607.30 × 403,795.80
  4. Step 4: Simplify right side
    655,738.20x = 397,176,496,589.34
  5. Step 5: Solve for x
    x = 397,176,496,589.34/655,738.20
  6. Step 6: Final answer
    x = 605,693.70

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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.