Home / 1,117,351.26-1,541,979.72-633,936.78

Finding the Fourth Proportional to 1,117,351.26, 1,541,979.72 and 633,936.78

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Solution

The fourth proportional to 1,117,351.26, 1,541,979.72 and 633,936.78 is: 874,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,351.26 : 1,541,979.72 = 633,936.78 : x
  2. Step 2: Convert to fraction form
    1,117,351.26/1,541,979.72 = 633,936.78/x
  3. Step 3: Cross multiply
    1,117,351.26x = 1,541,979.72 × 633,936.78
  4. Step 4: Simplify right side
    1,117,351.26x = 977,517,658,522.10
  5. Step 5: Solve for x
    x = 977,517,658,522.10/1,117,351.26
  6. Step 6: Final answer
    x = 874,852.60

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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.