Home / 1,214,516.12-1,819,780.16-415,361.66

Finding the Fourth Proportional to 1,214,516.12, 1,819,780.16 and 415,361.66

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Solution

The fourth proportional to 1,214,516.12, 1,819,780.16 and 415,361.66 is: 622,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,516.12 : 1,819,780.16 = 415,361.66 : x
  2. Step 2: Convert to fraction form
    1,214,516.12/1,819,780.16 = 415,361.66/x
  3. Step 3: Cross multiply
    1,214,516.12x = 1,819,780.16 × 415,361.66
  4. Step 4: Simplify right side
    1,214,516.12x = 755,866,908,092.67
  5. Step 5: Solve for x
    x = 755,866,908,092.67/1,214,516.12
  6. Step 6: Final answer
    x = 622,360.54

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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.