Home / 981,269.64-1,354,190.49-551,548.44

Finding the Fourth Proportional to 981,269.64, 1,354,190.49 and 551,548.44

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Solution

The fourth proportional to 981,269.64, 1,354,190.49 and 551,548.44 is: 761,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,269.64 : 1,354,190.49 = 551,548.44 : x
  2. Step 2: Convert to fraction form
    981,269.64/1,354,190.49 = 551,548.44/x
  3. Step 3: Cross multiply
    981,269.64x = 1,354,190.49 × 551,548.44
  4. Step 4: Simplify right side
    981,269.64x = 746,901,652,222.34
  5. Step 5: Solve for x
    x = 746,901,652,222.34/981,269.64
  6. Step 6: Final answer
    x = 761,158.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.