Home / 1,397,576.18-1,928,610.45-785,754.83

Finding the Fourth Proportional to 1,397,576.18, 1,928,610.45 and 785,754.83

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Solution

The fourth proportional to 1,397,576.18, 1,928,610.45 and 785,754.83 is: 1,084,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,576.18 : 1,928,610.45 = 785,754.83 : x
  2. Step 2: Convert to fraction form
    1,397,576.18/1,928,610.45 = 785,754.83/x
  3. Step 3: Cross multiply
    1,397,576.18x = 1,928,610.45 × 785,754.83
  4. Step 4: Simplify right side
    1,397,576.18x = 1,515,414,966,632.92
  5. Step 5: Solve for x
    x = 1,515,414,966,632.92/1,397,576.18
  6. Step 6: Final answer
    x = 1,084,316.54

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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.