Home / 394,396.09-544,378.05-233,307.14

Finding the Fourth Proportional to 394,396.09, 544,378.05 and 233,307.14

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Solution

The fourth proportional to 394,396.09, 544,378.05 and 233,307.14 is: 322,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,396.09 : 544,378.05 = 233,307.14 : x
  2. Step 2: Convert to fraction form
    394,396.09/544,378.05 = 233,307.14/x
  3. Step 3: Cross multiply
    394,396.09x = 544,378.05 × 233,307.14
  4. Step 4: Simplify right side
    394,396.09x = 127,007,283,202.39
  5. Step 5: Solve for x
    x = 127,007,283,202.39/394,396.09
  6. Step 6: Final answer
    x = 322,029.77

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1.5x scale

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.