Home / 451,554.10-677,551.26-198,802.51

Finding the Fourth Proportional to 451,554.10, 677,551.26 and 198,802.51

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Solution

The fourth proportional to 451,554.10, 677,551.26 and 198,802.51 is: 298,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,554.10 : 677,551.26 = 198,802.51 : x
  2. Step 2: Convert to fraction form
    451,554.10/677,551.26 = 198,802.51/x
  3. Step 3: Cross multiply
    451,554.10x = 677,551.26 × 198,802.51
  4. Step 4: Simplify right side
    451,554.10x = 134,698,891,141.66
  5. Step 5: Solve for x
    x = 134,698,891,141.66/451,554.10
  6. Step 6: Final answer
    x = 298,300.67

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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.