Home / 1,683,171.54-2,525,086.58-618,221.61

Finding the Fourth Proportional to 1,683,171.54, 2,525,086.58 and 618,221.61

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Solution

The fourth proportional to 1,683,171.54, 2,525,086.58 and 618,221.61 is: 927,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,171.54 : 2,525,086.58 = 618,221.61 : x
  2. Step 2: Convert to fraction form
    1,683,171.54/2,525,086.58 = 618,221.61/x
  3. Step 3: Cross multiply
    1,683,171.54x = 2,525,086.58 × 618,221.61
  4. Step 4: Simplify right side
    1,683,171.54x = 1,561,063,087,785.89
  5. Step 5: Solve for x
    x = 1,561,063,087,785.89/1,683,171.54
  6. Step 6: Final answer
    x = 927,453.35

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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.