Home / 1,821,771.42-2,729,666.13-623,039.73

Finding the Fourth Proportional to 1,821,771.42, 2,729,666.13 and 623,039.73

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Solution

The fourth proportional to 1,821,771.42, 2,729,666.13 and 623,039.73 is: 933,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,771.42 : 2,729,666.13 = 623,039.73 : x
  2. Step 2: Convert to fraction form
    1,821,771.42/2,729,666.13 = 623,039.73/x
  3. Step 3: Cross multiply
    1,821,771.42x = 2,729,666.13 × 623,039.73
  4. Step 4: Simplify right side
    1,821,771.42x = 1,700,690,448,625.34
  5. Step 5: Solve for x
    x = 1,700,690,448,625.34/1,821,771.42
  6. Step 6: Final answer
    x = 933,536.68

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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.