Home / 994,520.40-1,491,780.60-657,941.10

Finding the Fourth Proportional to 994,520.40, 1,491,780.60 and 657,941.10

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Solution

The fourth proportional to 994,520.40, 1,491,780.60 and 657,941.10 is: 986,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,520.40 : 1,491,780.60 = 657,941.10 : x
  2. Step 2: Convert to fraction form
    994,520.40/1,491,780.60 = 657,941.10/x
  3. Step 3: Cross multiply
    994,520.40x = 1,491,780.60 × 657,941.10
  4. Step 4: Simplify right side
    994,520.40x = 981,503,768,922.66
  5. Step 5: Solve for x
    x = 981,503,768,922.66/994,520.40
  6. Step 6: Final answer
    x = 986,911.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.