Home / 661,836.77-913,213.29-444,361.15

Finding the Fourth Proportional to 661,836.77, 913,213.29 and 444,361.15

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Solution

The fourth proportional to 661,836.77, 913,213.29 and 444,361.15 is: 613,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,836.77 : 913,213.29 = 444,361.15 : x
  2. Step 2: Convert to fraction form
    661,836.77/913,213.29 = 444,361.15/x
  3. Step 3: Cross multiply
    661,836.77x = 913,213.29 × 444,361.15
  4. Step 4: Simplify right side
    661,836.77x = 405,796,509,332.23
  5. Step 5: Solve for x
    x = 405,796,509,332.23/661,836.77
  6. Step 6: Final answer
    x = 613,136.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.