Home / 448,142.10-618,428.07-244,194.78

Finding the Fourth Proportional to 448,142.10, 618,428.07 and 244,194.78

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Solution

The fourth proportional to 448,142.10, 618,428.07 and 244,194.78 is: 336,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,142.10 : 618,428.07 = 244,194.78 : x
  2. Step 2: Convert to fraction form
    448,142.10/618,428.07 = 244,194.78/x
  3. Step 3: Cross multiply
    448,142.10x = 618,428.07 × 244,194.78
  4. Step 4: Simplify right side
    448,142.10x = 151,016,906,499.48
  5. Step 5: Solve for x
    x = 151,016,906,499.48/448,142.10
  6. Step 6: Final answer
    x = 336,984.42

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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.