Home / 1,117,378.26-1,542,016.80-633,963.78

Finding the Fourth Proportional to 1,117,378.26, 1,542,016.80 and 633,963.78

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Solution

The fourth proportional to 1,117,378.26, 1,542,016.80 and 633,963.78 is: 874,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,378.26 : 1,542,016.80 = 633,963.78 : x
  2. Step 2: Convert to fraction form
    1,117,378.26/1,542,016.80 = 633,963.78/x
  3. Step 3: Cross multiply
    1,117,378.26x = 1,542,016.80 × 633,963.78
  4. Step 4: Simplify right side
    1,117,378.26x = 977,582,799,351.50
  5. Step 5: Solve for x
    x = 977,582,799,351.50/1,117,378.26
  6. Step 6: Final answer
    x = 874,889.76

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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.