Home / 449,258.28-619,971.66-245,308.56

Finding the Fourth Proportional to 449,258.28, 619,971.66 and 245,308.56

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Solution

The fourth proportional to 449,258.28, 619,971.66 and 245,308.56 is: 338,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,258.28 : 619,971.66 = 245,308.56 : x
  2. Step 2: Convert to fraction form
    449,258.28/619,971.66 = 245,308.56/x
  3. Step 3: Cross multiply
    449,258.28x = 619,971.66 × 245,308.56
  4. Step 4: Simplify right side
    449,258.28x = 152,084,355,155.41
  5. Step 5: Solve for x
    x = 152,084,355,155.41/449,258.28
  6. Step 6: Final answer
    x = 338,523.21

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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.