Home / 1,411,382.52-2,116,406.52-547,221.78

Finding the Fourth Proportional to 1,411,382.52, 2,116,406.52 and 547,221.78

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Solution

The fourth proportional to 1,411,382.52, 2,116,406.52 and 547,221.78 is: 820,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,382.52 : 2,116,406.52 = 547,221.78 : x
  2. Step 2: Convert to fraction form
    1,411,382.52/2,116,406.52 = 547,221.78/x
  3. Step 3: Cross multiply
    1,411,382.52x = 2,116,406.52 × 547,221.78
  4. Step 4: Simplify right side
    1,411,382.52x = 1,158,143,743,078.01
  5. Step 5: Solve for x
    x = 1,158,143,743,078.01/1,411,382.52
  6. Step 6: Final answer
    x = 820,573.96

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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.