Home / 1,172,385-1,617,891.48-663,076.44

Finding the Fourth Proportional to 1,172,385, 1,617,891.48 and 663,076.44

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Solution

The fourth proportional to 1,172,385, 1,617,891.48 and 663,076.44 is: 915,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,385 : 1,617,891.48 = 663,076.44 : x
  2. Step 2: Convert to fraction form
    1,172,385/1,617,891.48 = 663,076.44/x
  3. Step 3: Cross multiply
    1,172,385x = 1,617,891.48 × 663,076.44
  4. Step 4: Simplify right side
    1,172,385x = 1,072,785,722,864.73
  5. Step 5: Solve for x
    x = 1,072,785,722,864.73/1,172,385
  6. Step 6: Final answer
    x = 915,045.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.