Home / 544,109.54-815,474.91-307,586.66

Finding the Fourth Proportional to 544,109.54, 815,474.91 and 307,586.66

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Solution

The fourth proportional to 544,109.54, 815,474.91 and 307,586.66 is: 460,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,109.54 : 815,474.91 = 307,586.66 : x
  2. Step 2: Convert to fraction form
    544,109.54/815,474.91 = 307,586.66/x
  3. Step 3: Cross multiply
    544,109.54x = 815,474.91 × 307,586.66
  4. Step 4: Simplify right side
    544,109.54x = 250,829,203,880.70
  5. Step 5: Solve for x
    x = 250,829,203,880.70/544,109.54
  6. Step 6: Final answer
    x = 460,990.27

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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.