Home / 1,213,836.30-1,820,499.30-614,233.80

Finding the Fourth Proportional to 1,213,836.30, 1,820,499.30 and 614,233.80

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Solution

The fourth proportional to 1,213,836.30, 1,820,499.30 and 614,233.80 is: 921,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,836.30 : 1,820,499.30 = 614,233.80 : x
  2. Step 2: Convert to fraction form
    1,213,836.30/1,820,499.30 = 614,233.80/x
  3. Step 3: Cross multiply
    1,213,836.30x = 1,820,499.30 × 614,233.80
  4. Step 4: Simplify right side
    1,213,836.30x = 1,118,212,202,936.34
  5. Step 5: Solve for x
    x = 1,118,212,202,936.34/1,213,836.30
  6. Step 6: Final answer
    x = 921,221.59

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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.