Home / 1,282,456.60-1,923,231.30-440,812.60

Finding the Fourth Proportional to 1,282,456.60, 1,923,231.30 and 440,812.60

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Solution

The fourth proportional to 1,282,456.60, 1,923,231.30 and 440,812.60 is: 661,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,456.60 : 1,923,231.30 = 440,812.60 : x
  2. Step 2: Convert to fraction form
    1,282,456.60/1,923,231.30 = 440,812.60/x
  3. Step 3: Cross multiply
    1,282,456.60x = 1,923,231.30 × 440,812.60
  4. Step 4: Simplify right side
    1,282,456.60x = 847,784,589,754.38
  5. Step 5: Solve for x
    x = 847,784,589,754.38/1,282,456.60
  6. Step 6: Final answer
    x = 661,062.99

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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.