Home / 853,979.44-1,279,933.36-627,237.40

Finding the Fourth Proportional to 853,979.44, 1,279,933.36 and 627,237.40

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Solution

The fourth proportional to 853,979.44, 1,279,933.36 and 627,237.40 is: 940,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,979.44 : 1,279,933.36 = 627,237.40 : x
  2. Step 2: Convert to fraction form
    853,979.44/1,279,933.36 = 627,237.40/x
  3. Step 3: Cross multiply
    853,979.44x = 1,279,933.36 × 627,237.40
  4. Step 4: Simplify right side
    853,979.44x = 802,822,072,899.66
  5. Step 5: Solve for x
    x = 802,822,072,899.66/853,979.44
  6. Step 6: Final answer
    x = 940,095.32

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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.