Home / 558,086.45-770,136.95-328,653.41

Finding the Fourth Proportional to 558,086.45, 770,136.95 and 328,653.41

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Solution

The fourth proportional to 558,086.45, 770,136.95 and 328,653.41 is: 453,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,086.45 : 770,136.95 = 328,653.41 : x
  2. Step 2: Convert to fraction form
    558,086.45/770,136.95 = 328,653.41/x
  3. Step 3: Cross multiply
    558,086.45x = 770,136.95 × 328,653.41
  4. Step 4: Simplify right side
    558,086.45x = 253,108,131,755.45
  5. Step 5: Solve for x
    x = 253,108,131,755.45/558,086.45
  6. Step 6: Final answer
    x = 453,528.54

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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.