Home / 439,199.11-605,852.67-303,304.42

Finding the Fourth Proportional to 439,199.11, 605,852.67 and 303,304.42

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Solution

The fourth proportional to 439,199.11, 605,852.67 and 303,304.42 is: 418,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,199.11 : 605,852.67 = 303,304.42 : x
  2. Step 2: Convert to fraction form
    439,199.11/605,852.67 = 303,304.42/x
  3. Step 3: Cross multiply
    439,199.11x = 605,852.67 × 303,304.42
  4. Step 4: Simplify right side
    439,199.11x = 183,757,792,679.80
  5. Step 5: Solve for x
    x = 183,757,792,679.80/439,199.11
  6. Step 6: Final answer
    x = 418,392.91

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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.