Home / 981,928.44-1,354,942.20-546,242.85

Finding the Fourth Proportional to 981,928.44, 1,354,942.20 and 546,242.85

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Solution

The fourth proportional to 981,928.44, 1,354,942.20 and 546,242.85 is: 753,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,928.44 : 1,354,942.20 = 546,242.85 : x
  2. Step 2: Convert to fraction form
    981,928.44/1,354,942.20 = 546,242.85/x
  3. Step 3: Cross multiply
    981,928.44x = 1,354,942.20 × 546,242.85
  4. Step 4: Simplify right side
    981,928.44x = 740,127,488,913.27
  5. Step 5: Solve for x
    x = 740,127,488,913.27/981,928.44
  6. Step 6: Final answer
    x = 753,748.91

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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.