Home / 447,928.79-671,645.32-177,783.26

Finding the Fourth Proportional to 447,928.79, 671,645.32 and 177,783.26

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Solution

The fourth proportional to 447,928.79, 671,645.32 and 177,783.26 is: 266,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,928.79 : 671,645.32 = 177,783.26 : x
  2. Step 2: Convert to fraction form
    447,928.79/671,645.32 = 177,783.26/x
  3. Step 3: Cross multiply
    447,928.79x = 671,645.32 × 177,783.26
  4. Step 4: Simplify right side
    447,928.79x = 119,407,290,750.66
  5. Step 5: Solve for x
    x = 119,407,290,750.66/447,928.79
  6. Step 6: Final answer
    x = 266,576.51

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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.