Home / 1,213,619.68-1,819,401.36-503,204.32

Finding the Fourth Proportional to 1,213,619.68, 1,819,401.36 and 503,204.32

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Solution

The fourth proportional to 1,213,619.68, 1,819,401.36 and 503,204.32 is: 754,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,619.68 : 1,819,401.36 = 503,204.32 : x
  2. Step 2: Convert to fraction form
    1,213,619.68/1,819,401.36 = 503,204.32/x
  3. Step 3: Cross multiply
    1,213,619.68x = 1,819,401.36 × 503,204.32
  4. Step 4: Simplify right side
    1,213,619.68x = 915,530,624,165.88
  5. Step 5: Solve for x
    x = 915,530,624,165.88/1,213,619.68
  6. Step 6: Final answer
    x = 754,380.17

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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.