Home / 994,517.40-1,491,776.10-657,938.10

Finding the Fourth Proportional to 994,517.40, 1,491,776.10 and 657,938.10

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Solution

The fourth proportional to 994,517.40, 1,491,776.10 and 657,938.10 is: 986,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,517.40 : 1,491,776.10 = 657,938.10 : x
  2. Step 2: Convert to fraction form
    994,517.40/1,491,776.10 = 657,938.10/x
  3. Step 3: Cross multiply
    994,517.40x = 1,491,776.10 × 657,938.10
  4. Step 4: Simplify right side
    994,517.40x = 981,496,332,859.41
  5. Step 5: Solve for x
    x = 981,496,332,859.41/994,517.40
  6. Step 6: Final answer
    x = 986,907.15

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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.