Home / 457,436.22-686,220.48-173,049.66

Finding the Fourth Proportional to 457,436.22, 686,220.48 and 173,049.66

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Solution

The fourth proportional to 457,436.22, 686,220.48 and 173,049.66 is: 259,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,436.22 : 686,220.48 = 173,049.66 : x
  2. Step 2: Convert to fraction form
    457,436.22/686,220.48 = 173,049.66/x
  3. Step 3: Cross multiply
    457,436.22x = 686,220.48 × 173,049.66
  4. Step 4: Simplify right side
    457,436.22x = 118,750,220,749.04
  5. Step 5: Solve for x
    x = 118,750,220,749.04/457,436.22
  6. Step 6: Final answer
    x = 259,599.51

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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.