Home / 447,876.64-618,073.73-243,928.45

Finding the Fourth Proportional to 447,876.64, 618,073.73 and 243,928.45

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Solution

The fourth proportional to 447,876.64, 618,073.73 and 243,928.45 is: 336,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,876.64 : 618,073.73 = 243,928.45 : x
  2. Step 2: Convert to fraction form
    447,876.64/618,073.73 = 243,928.45/x
  3. Step 3: Cross multiply
    447,876.64x = 618,073.73 × 243,928.45
  4. Step 4: Simplify right side
    447,876.64x = 150,765,766,200.11
  5. Step 5: Solve for x
    x = 150,765,766,200.11/447,876.64
  6. Step 6: Final answer
    x = 336,623.42

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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.