Home / 1,281,706.20-1,922,732.10-440,515.80

Finding the Fourth Proportional to 1,281,706.20, 1,922,732.10 and 440,515.80

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Solution

The fourth proportional to 1,281,706.20, 1,922,732.10 and 440,515.80 is: 660,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,706.20 : 1,922,732.10 = 440,515.80 : x
  2. Step 2: Convert to fraction form
    1,281,706.20/1,922,732.10 = 440,515.80/x
  3. Step 3: Cross multiply
    1,281,706.20x = 1,922,732.10 × 440,515.80
  4. Step 4: Simplify right side
    1,281,706.20x = 846,993,869,217.18
  5. Step 5: Solve for x
    x = 846,993,869,217.18/1,281,706.20
  6. Step 6: Final answer
    x = 660,833.09

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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.