Home / 454,419.79-681,421.01-154,778.45

Finding the Fourth Proportional to 454,419.79, 681,421.01 and 154,778.45

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Solution

The fourth proportional to 454,419.79, 681,421.01 and 154,778.45 is: 232,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,419.79 : 681,421.01 = 154,778.45 : x
  2. Step 2: Convert to fraction form
    454,419.79/681,421.01 = 154,778.45/x
  3. Step 3: Cross multiply
    454,419.79x = 681,421.01 × 154,778.45
  4. Step 4: Simplify right side
    454,419.79x = 105,469,283,544.24
  5. Step 5: Solve for x
    x = 105,469,283,544.24/454,419.79
  6. Step 6: Final answer
    x = 232,096.59

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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.