Home / 1,106,991.29-1,527,600.78-616,934.73

Finding the Fourth Proportional to 1,106,991.29, 1,527,600.78 and 616,934.73

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Solution

The fourth proportional to 1,106,991.29, 1,527,600.78 and 616,934.73 is: 851,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,991.29 : 1,527,600.78 = 616,934.73 : x
  2. Step 2: Convert to fraction form
    1,106,991.29/1,527,600.78 = 616,934.73/x
  3. Step 3: Cross multiply
    1,106,991.29x = 1,527,600.78 × 616,934.73
  4. Step 4: Simplify right side
    1,106,991.29x = 942,429,972,760.43
  5. Step 5: Solve for x
    x = 942,429,972,760.43/1,106,991.29
  6. Step 6: Final answer
    x = 851,343.62

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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.