Home / 694,506.80-1,041,760.20-409,905.20

Finding the Fourth Proportional to 694,506.80, 1,041,760.20 and 409,905.20

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Solution

The fourth proportional to 694,506.80, 1,041,760.20 and 409,905.20 is: 614,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,506.80 : 1,041,760.20 = 409,905.20 : x
  2. Step 2: Convert to fraction form
    694,506.80/1,041,760.20 = 409,905.20/x
  3. Step 3: Cross multiply
    694,506.80x = 1,041,760.20 × 409,905.20
  4. Step 4: Simplify right side
    694,506.80x = 427,022,923,133.04
  5. Step 5: Solve for x
    x = 427,022,923,133.04/694,506.80
  6. Step 6: Final answer
    x = 614,857.80

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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.