Home / 1,299,663.14-1,949,500.17-853,208.96

Finding the Fourth Proportional to 1,299,663.14, 1,949,500.17 and 853,208.96

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Solution

The fourth proportional to 1,299,663.14, 1,949,500.17 and 853,208.96 is: 1,279,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,663.14 : 1,949,500.17 = 853,208.96 : x
  2. Step 2: Convert to fraction form
    1,299,663.14/1,949,500.17 = 853,208.96/x
  3. Step 3: Cross multiply
    1,299,663.14x = 1,949,500.17 × 853,208.96
  4. Step 4: Simplify right side
    1,299,663.14x = 1,663,331,002,818.02
  5. Step 5: Solve for x
    x = 1,663,331,002,818.02/1,299,663.14
  6. Step 6: Final answer
    x = 1,279,817.02

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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.