Home / 853,974.69-1,279,926.27-627,232.68

Finding the Fourth Proportional to 853,974.69, 1,279,926.27 and 627,232.68

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Solution

The fourth proportional to 853,974.69, 1,279,926.27 and 627,232.68 is: 940,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,974.69 : 1,279,926.27 = 627,232.68 : x
  2. Step 2: Convert to fraction form
    853,974.69/1,279,926.27 = 627,232.68/x
  3. Step 3: Cross multiply
    853,974.69x = 1,279,926.27 × 627,232.68
  4. Step 4: Simplify right side
    853,974.69x = 802,811,584,534.50
  5. Step 5: Solve for x
    x = 802,811,584,534.50/853,974.69
  6. Step 6: Final answer
    x = 940,088.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.