Home / 403,233.84-555,261.56-394,283.24

Finding the Fourth Proportional to 403,233.84, 555,261.56 and 394,283.24

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Solution

The fourth proportional to 403,233.84, 555,261.56 and 394,283.24 is: 542,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,233.84 : 555,261.56 = 394,283.24 : x
  2. Step 2: Convert to fraction form
    403,233.84/555,261.56 = 394,283.24/x
  3. Step 3: Cross multiply
    403,233.84x = 555,261.56 × 394,283.24
  4. Step 4: Simplify right side
    403,233.84x = 218,930,326,924.25
  5. Step 5: Solve for x
    x = 218,930,326,924.25/403,233.84
  6. Step 6: Final answer
    x = 542,936.39

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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.