Home / 1,361,127.48-2,042,120.32-641,440.11

Finding the Fourth Proportional to 1,361,127.48, 2,042,120.32 and 641,440.11

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Solution

The fourth proportional to 1,361,127.48, 2,042,120.32 and 641,440.11 is: 962,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,127.48 : 2,042,120.32 = 641,440.11 : x
  2. Step 2: Convert to fraction form
    1,361,127.48/2,042,120.32 = 641,440.11/x
  3. Step 3: Cross multiply
    1,361,127.48x = 2,042,120.32 × 641,440.11
  4. Step 4: Simplify right side
    1,361,127.48x = 1,309,897,893,258.54
  5. Step 5: Solve for x
    x = 1,309,897,893,258.54/1,361,127.48
  6. Step 6: Final answer
    x = 962,362.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.