Home / 589,273.38-813,197.38-321,001.38

Finding the Fourth Proportional to 589,273.38, 813,197.38 and 321,001.38

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Solution

The fourth proportional to 589,273.38, 813,197.38 and 321,001.38 is: 442,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,273.38 : 813,197.38 = 321,001.38 : x
  2. Step 2: Convert to fraction form
    589,273.38/813,197.38 = 321,001.38/x
  3. Step 3: Cross multiply
    589,273.38x = 813,197.38 × 321,001.38
  4. Step 4: Simplify right side
    589,273.38x = 261,037,481,192.38
  5. Step 5: Solve for x
    x = 261,037,481,192.38/589,273.38
  6. Step 6: Final answer
    x = 442,981.97

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Double scale
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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.