Home / 412,054.04-618,258.68-222,476.78

Finding the Fourth Proportional to 412,054.04, 618,258.68 and 222,476.78

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Solution

The fourth proportional to 412,054.04, 618,258.68 and 222,476.78 is: 333,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,054.04 : 618,258.68 = 222,476.78 : x
  2. Step 2: Convert to fraction form
    412,054.04/618,258.68 = 222,476.78/x
  3. Step 3: Cross multiply
    412,054.04x = 618,258.68 × 222,476.78
  4. Step 4: Simplify right side
    412,054.04x = 137,548,200,333.45
  5. Step 5: Solve for x
    x = 137,548,200,333.45/412,054.04
  6. Step 6: Final answer
    x = 333,811.07

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1.5x scale

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.