Home / 579,193.70-799,324.60-321,081.52

Finding the Fourth Proportional to 579,193.70, 799,324.60 and 321,081.52

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Solution

The fourth proportional to 579,193.70, 799,324.60 and 321,081.52 is: 443,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,193.70 : 799,324.60 = 321,081.52 : x
  2. Step 2: Convert to fraction form
    579,193.70/799,324.60 = 321,081.52/x
  3. Step 3: Cross multiply
    579,193.70x = 799,324.60 × 321,081.52
  4. Step 4: Simplify right side
    579,193.70x = 256,648,357,541.39
  5. Step 5: Solve for x
    x = 256,648,357,541.39/579,193.70
  6. Step 6: Final answer
    x = 443,113.17

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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.