Home / 579,538.94-868,636.51-219,480.98

Finding the Fourth Proportional to 579,538.94, 868,636.51 and 219,480.98

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Solution

The fourth proportional to 579,538.94, 868,636.51 and 219,480.98 is: 328,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,538.94 : 868,636.51 = 219,480.98 : x
  2. Step 2: Convert to fraction form
    579,538.94/868,636.51 = 219,480.98/x
  3. Step 3: Cross multiply
    579,538.94x = 868,636.51 × 219,480.98
  4. Step 4: Simplify right side
    579,538.94x = 190,649,187,586.70
  5. Step 5: Solve for x
    x = 190,649,187,586.70/579,538.94
  6. Step 6: Final answer
    x = 328,967.00

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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.