Home / 853,975.69-1,279,927.77-627,233.68

Finding the Fourth Proportional to 853,975.69, 1,279,927.77 and 627,233.68

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Solution

The fourth proportional to 853,975.69, 1,279,927.77 and 627,233.68 is: 940,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,975.69 : 1,279,927.77 = 627,233.68 : x
  2. Step 2: Convert to fraction form
    853,975.69/1,279,927.77 = 627,233.68/x
  3. Step 3: Cross multiply
    853,975.69x = 1,279,927.77 × 627,233.68
  4. Step 4: Simplify right side
    853,975.69x = 802,813,805,311.29
  5. Step 5: Solve for x
    x = 802,813,805,311.29/853,975.69
  6. Step 6: Final answer
    x = 940,089.76

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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.