Home / 994,368.60-1,489,220.10-677,107.80

Finding the Fourth Proportional to 994,368.60, 1,489,220.10 and 677,107.80

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Solution

The fourth proportional to 994,368.60, 1,489,220.10 and 677,107.80 is: 1,014,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,368.60 : 1,489,220.10 = 677,107.80 : x
  2. Step 2: Convert to fraction form
    994,368.60/1,489,220.10 = 677,107.80/x
  3. Step 3: Cross multiply
    994,368.60x = 1,489,220.10 × 677,107.80
  4. Step 4: Simplify right side
    994,368.60x = 1,008,362,545,626.78
  5. Step 5: Solve for x
    x = 1,008,362,545,626.78/994,368.60
  6. Step 6: Final answer
    x = 1,014,073.20

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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.