Home / 813,151.27-1,122,164.99-473,641.39

Finding the Fourth Proportional to 813,151.27, 1,122,164.99 and 473,641.39

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Solution

The fourth proportional to 813,151.27, 1,122,164.99 and 473,641.39 is: 653,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,151.27 : 1,122,164.99 = 473,641.39 : x
  2. Step 2: Convert to fraction form
    813,151.27/1,122,164.99 = 473,641.39/x
  3. Step 3: Cross multiply
    813,151.27x = 1,122,164.99 × 473,641.39
  4. Step 4: Simplify right side
    813,151.27x = 531,503,785,672.94
  5. Step 5: Solve for x
    x = 531,503,785,672.94/813,151.27
  6. Step 6: Final answer
    x = 653,634.58

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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.