Home / 579,666.92-799,986.78-321,569.33

Finding the Fourth Proportional to 579,666.92, 799,986.78 and 321,569.33

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Solution

The fourth proportional to 579,666.92, 799,986.78 and 321,569.33 is: 443,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,666.92 : 799,986.78 = 321,569.33 : x
  2. Step 2: Convert to fraction form
    579,666.92/799,986.78 = 321,569.33/x
  3. Step 3: Cross multiply
    579,666.92x = 799,986.78 × 321,569.33
  4. Step 4: Simplify right side
    579,666.92x = 257,251,208,853.52
  5. Step 5: Solve for x
    x = 257,251,208,853.52/579,666.92
  6. Step 6: Final answer
    x = 443,791.43

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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.