Home / 579,844.81-800,192.33-321,726.43

Finding the Fourth Proportional to 579,844.81, 800,192.33 and 321,726.43

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Solution

The fourth proportional to 579,844.81, 800,192.33 and 321,726.43 is: 443,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,844.81 : 800,192.33 = 321,726.43 : x
  2. Step 2: Convert to fraction form
    579,844.81/800,192.33 = 321,726.43/x
  3. Step 3: Cross multiply
    579,844.81x = 800,192.33 × 321,726.43
  4. Step 4: Simplify right side
    579,844.81x = 257,443,020,035.65
  5. Step 5: Solve for x
    x = 257,443,020,035.65/579,844.81
  6. Step 6: Final answer
    x = 443,986.07

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1.5x scale

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.