Home / 981,140.34-1,354,343.73-573,375.06

Finding the Fourth Proportional to 981,140.34, 1,354,343.73 and 573,375.06

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Solution

The fourth proportional to 981,140.34, 1,354,343.73 and 573,375.06 is: 791,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,140.34 : 1,354,343.73 = 573,375.06 : x
  2. Step 2: Convert to fraction form
    981,140.34/1,354,343.73 = 573,375.06/x
  3. Step 3: Cross multiply
    981,140.34x = 1,354,343.73 × 573,375.06
  4. Step 4: Simplify right side
    981,140.34x = 776,546,917,449.37
  5. Step 5: Solve for x
    x = 776,546,917,449.37/981,140.34
  6. Step 6: Final answer
    x = 791,473.85

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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.