Home / 1,212,941.17-1,819,629.62-414,035.88

Finding the Fourth Proportional to 1,212,941.17, 1,819,629.62 and 414,035.88

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Solution

The fourth proportional to 1,212,941.17, 1,819,629.62 and 414,035.88 is: 621,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,941.17 : 1,819,629.62 = 414,035.88 : x
  2. Step 2: Convert to fraction form
    1,212,941.17/1,819,629.62 = 414,035.88/x
  3. Step 3: Cross multiply
    1,212,941.17x = 1,819,629.62 × 414,035.88
  4. Step 4: Simplify right side
    1,212,941.17x = 753,391,950,990.77
  5. Step 5: Solve for x
    x = 753,391,950,990.77/1,212,941.17
  6. Step 6: Final answer
    x = 621,128.19

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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.