Home / 981,672.40-1,354,253.07-573,791.50

Finding the Fourth Proportional to 981,672.40, 1,354,253.07 and 573,791.50

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Solution

The fourth proportional to 981,672.40, 1,354,253.07 and 573,791.50 is: 791,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,672.40 : 1,354,253.07 = 573,791.50 : x
  2. Step 2: Convert to fraction form
    981,672.40/1,354,253.07 = 573,791.50/x
  3. Step 3: Cross multiply
    981,672.40x = 1,354,253.07 × 573,791.50
  4. Step 4: Simplify right side
    981,672.40x = 777,058,900,414.91
  5. Step 5: Solve for x
    x = 777,058,900,414.91/981,672.40
  6. Step 6: Final answer
    x = 791,566.41

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1.5x scale

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.