Home / 983,634.18-1,475,650.16-415,016.68

Finding the Fourth Proportional to 983,634.18, 1,475,650.16 and 415,016.68

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Solution

The fourth proportional to 983,634.18, 1,475,650.16 and 415,016.68 is: 622,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,634.18 : 1,475,650.16 = 415,016.68 : x
  2. Step 2: Convert to fraction form
    983,634.18/1,475,650.16 = 415,016.68/x
  3. Step 3: Cross multiply
    983,634.18x = 1,475,650.16 × 415,016.68
  4. Step 4: Simplify right side
    983,634.18x = 612,419,430,244.67
  5. Step 5: Solve for x
    x = 612,419,430,244.67/983,634.18
  6. Step 6: Final answer
    x = 622,608.94

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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.