Home / 439,543.56-659,586.06-173,258.76

Finding the Fourth Proportional to 439,543.56, 659,586.06 and 173,258.76

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Solution

The fourth proportional to 439,543.56, 659,586.06 and 173,258.76 is: 259,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,543.56 : 659,586.06 = 173,258.76 : x
  2. Step 2: Convert to fraction form
    439,543.56/659,586.06 = 173,258.76/x
  3. Step 3: Cross multiply
    439,543.56x = 659,586.06 × 173,258.76
  4. Step 4: Simplify right side
    439,543.56x = 114,279,062,868.89
  5. Step 5: Solve for x
    x = 114,279,062,868.89/439,543.56
  6. Step 6: Final answer
    x = 259,994.85

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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.