Home / 430,361.11-645,304.66-177,584.14

Finding the Fourth Proportional to 430,361.11, 645,304.66 and 177,584.14

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Solution

The fourth proportional to 430,361.11, 645,304.66 and 177,584.14 is: 266,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,361.11 : 645,304.66 = 177,584.14 : x
  2. Step 2: Convert to fraction form
    430,361.11/645,304.66 = 177,584.14/x
  3. Step 3: Cross multiply
    430,361.11x = 645,304.66 × 177,584.14
  4. Step 4: Simplify right side
    430,361.11x = 114,595,873,084.09
  5. Step 5: Solve for x
    x = 114,595,873,084.09/430,361.11
  6. Step 6: Final answer
    x = 266,278.41

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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.