Home / 981,838.06-1,354,944.92-552,114.43

Finding the Fourth Proportional to 981,838.06, 1,354,944.92 and 552,114.43

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Solution

The fourth proportional to 981,838.06, 1,354,944.92 and 552,114.43 is: 761,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,838.06 : 1,354,944.92 = 552,114.43 : x
  2. Step 2: Convert to fraction form
    981,838.06/1,354,944.92 = 552,114.43/x
  3. Step 3: Cross multiply
    981,838.06x = 1,354,944.92 × 552,114.43
  4. Step 4: Simplify right side
    981,838.06x = 748,084,636,039.26
  5. Step 5: Solve for x
    x = 748,084,636,039.26/981,838.06
  6. Step 6: Final answer
    x = 761,922.63

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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.