Home / 1,476,621.80-2,215,057.76-411,664.88

Finding the Fourth Proportional to 1,476,621.80, 2,215,057.76 and 411,664.88

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Solution

The fourth proportional to 1,476,621.80, 2,215,057.76 and 411,664.88 is: 617,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,621.80 : 2,215,057.76 = 411,664.88 : x
  2. Step 2: Convert to fraction form
    1,476,621.80/2,215,057.76 = 411,664.88/x
  3. Step 3: Cross multiply
    1,476,621.80x = 2,215,057.76 × 411,664.88
  4. Step 4: Simplify right side
    1,476,621.80x = 911,861,491,986.53
  5. Step 5: Solve for x
    x = 911,861,491,986.53/1,476,621.80
  6. Step 6: Final answer
    x = 617,532.19

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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.