Home / 668,441.67-1,002,591.42-188,657.61

Finding the Fourth Proportional to 668,441.67, 1,002,591.42 and 188,657.61

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Solution

The fourth proportional to 668,441.67, 1,002,591.42 and 188,657.61 is: 282,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,441.67 : 1,002,591.42 = 188,657.61 : x
  2. Step 2: Convert to fraction form
    668,441.67/1,002,591.42 = 188,657.61/x
  3. Step 3: Cross multiply
    668,441.67x = 1,002,591.42 × 188,657.61
  4. Step 4: Simplify right side
    668,441.67x = 189,146,497,697.72
  5. Step 5: Solve for x
    x = 189,146,497,697.72/668,441.67
  6. Step 6: Final answer
    x = 282,966.35

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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.