Home / 1,411,391.02-2,117,217.66-400,537.78

Finding the Fourth Proportional to 1,411,391.02, 2,117,217.66 and 400,537.78

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Solution

The fourth proportional to 1,411,391.02, 2,117,217.66 and 400,537.78 is: 600,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,391.02 : 2,117,217.66 = 400,537.78 : x
  2. Step 2: Convert to fraction form
    1,411,391.02/2,117,217.66 = 400,537.78/x
  3. Step 3: Cross multiply
    1,411,391.02x = 2,117,217.66 × 400,537.78
  4. Step 4: Simplify right side
    1,411,391.02x = 848,025,661,313.20
  5. Step 5: Solve for x
    x = 848,025,661,313.20/1,411,391.02
  6. Step 6: Final answer
    x = 600,843.88

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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.