Home / 1,282,046.20-1,923,242.10-440,855.80

Finding the Fourth Proportional to 1,282,046.20, 1,923,242.10 and 440,855.80

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Solution

The fourth proportional to 1,282,046.20, 1,923,242.10 and 440,855.80 is: 661,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,046.20 : 1,923,242.10 = 440,855.80 : x
  2. Step 2: Convert to fraction form
    1,282,046.20/1,923,242.10 = 440,855.80/x
  3. Step 3: Cross multiply
    1,282,046.20x = 1,923,242.10 × 440,855.80
  4. Step 4: Simplify right side
    1,282,046.20x = 847,872,434,589.18
  5. Step 5: Solve for x
    x = 847,872,434,589.18/1,282,046.20
  6. Step 6: Final answer
    x = 661,343.12

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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.