Home / 1,299,668.57-1,949,508.32-853,214.39

Finding the Fourth Proportional to 1,299,668.57, 1,949,508.32 and 853,214.39

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Solution

The fourth proportional to 1,299,668.57, 1,949,508.32 and 853,214.39 is: 1,279,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,668.57 : 1,949,508.32 = 853,214.39 : x
  2. Step 2: Convert to fraction form
    1,299,668.57/1,949,508.32 = 853,214.39/x
  3. Step 3: Cross multiply
    1,299,668.57x = 1,949,508.32 × 853,214.39
  4. Step 4: Simplify right side
    1,299,668.57x = 1,663,348,538,035.11
  5. Step 5: Solve for x
    x = 1,663,348,538,035.11/1,299,668.57
  6. Step 6: Final answer
    x = 1,279,825.17

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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.