Home / 981,787.43-1,354,874.75-552,063.80

Finding the Fourth Proportional to 981,787.43, 1,354,874.75 and 552,063.80

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Solution

The fourth proportional to 981,787.43, 1,354,874.75 and 552,063.80 is: 761,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,787.43 : 1,354,874.75 = 552,063.80 : x
  2. Step 2: Convert to fraction form
    981,787.43/1,354,874.75 = 552,063.80/x
  3. Step 3: Cross multiply
    981,787.43x = 1,354,874.75 × 552,063.80
  4. Step 4: Simplify right side
    981,787.43x = 747,977,305,706.16
  5. Step 5: Solve for x
    x = 747,977,305,706.16/981,787.43
  6. Step 6: Final answer
    x = 761,852.60

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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.