Home / 419,795.64-629,937.39-176,618.90

Finding the Fourth Proportional to 419,795.64, 629,937.39 and 176,618.90

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Solution

The fourth proportional to 419,795.64, 629,937.39 and 176,618.90 is: 265,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,795.64 : 629,937.39 = 176,618.90 : x
  2. Step 2: Convert to fraction form
    419,795.64/629,937.39 = 176,618.90/x
  3. Step 3: Cross multiply
    419,795.64x = 629,937.39 × 176,618.90
  4. Step 4: Simplify right side
    419,795.64x = 111,258,845,740.98
  5. Step 5: Solve for x
    x = 111,258,845,740.98/419,795.64
  6. Step 6: Final answer
    x = 265,030.97

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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.