Home / 579,302.27-799,484.47-321,260.03

Finding the Fourth Proportional to 579,302.27, 799,484.47 and 321,260.03

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Solution

The fourth proportional to 579,302.27, 799,484.47 and 321,260.03 is: 443,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,302.27 : 799,484.47 = 321,260.03 : x
  2. Step 2: Convert to fraction form
    579,302.27/799,484.47 = 321,260.03/x
  3. Step 3: Cross multiply
    579,302.27x = 799,484.47 × 321,260.03
  4. Step 4: Simplify right side
    579,302.27x = 256,842,400,016.16
  5. Step 5: Solve for x
    x = 256,842,400,016.16/579,302.27
  6. Step 6: Final answer
    x = 443,365.09

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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.