Home / 1,511,629.29-2,256,384.20-1,332,274.23

Finding the Fourth Proportional to 1,511,629.29, 2,256,384.20 and 1,332,274.23

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Solution

The fourth proportional to 1,511,629.29, 2,256,384.20 and 1,332,274.23 is: 1,988,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,629.29 : 2,256,384.20 = 1,332,274.23 : x
  2. Step 2: Convert to fraction form
    1,511,629.29/2,256,384.20 = 1,332,274.23/x
  3. Step 3: Cross multiply
    1,511,629.29x = 2,256,384.20 × 1,332,274.23
  4. Step 4: Simplify right side
    1,511,629.29x = 3,006,122,515,977.79
  5. Step 5: Solve for x
    x = 3,006,122,515,977.79/1,511,629.29
  6. Step 6: Final answer
    x = 1,988,663.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.