Home / 981,821.52-1,354,905.21-552,092.49

Finding the Fourth Proportional to 981,821.52, 1,354,905.21 and 552,092.49

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Solution

The fourth proportional to 981,821.52, 1,354,905.21 and 552,092.49 is: 761,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,821.52 : 1,354,905.21 = 552,092.49 : x
  2. Step 2: Convert to fraction form
    981,821.52/1,354,905.21 = 552,092.49/x
  3. Step 3: Cross multiply
    981,821.52x = 1,354,905.21 × 552,092.49
  4. Step 4: Simplify right side
    981,821.52x = 748,032,984,328.35
  5. Step 5: Solve for x
    x = 748,032,984,328.35/981,821.52
  6. Step 6: Final answer
    x = 761,882.86

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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.