Home / 459,591.12-689,381.52-179,305.20

Finding the Fourth Proportional to 459,591.12, 689,381.52 and 179,305.20

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Solution

The fourth proportional to 459,591.12, 689,381.52 and 179,305.20 is: 268,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,591.12 : 689,381.52 = 179,305.20 : x
  2. Step 2: Convert to fraction form
    459,591.12/689,381.52 = 179,305.20/x
  3. Step 3: Cross multiply
    459,591.12x = 689,381.52 × 179,305.20
  4. Step 4: Simplify right side
    459,591.12x = 123,609,691,319.90
  5. Step 5: Solve for x
    x = 123,609,691,319.90/459,591.12
  6. Step 6: Final answer
    x = 268,955.79

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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.