Home / 686,336.04-1,029,489.48-187,700.04

Finding the Fourth Proportional to 686,336.04, 1,029,489.48 and 187,700.04

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Solution

The fourth proportional to 686,336.04, 1,029,489.48 and 187,700.04 is: 281,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,336.04 : 1,029,489.48 = 187,700.04 : x
  2. Step 2: Convert to fraction form
    686,336.04/1,029,489.48 = 187,700.04/x
  3. Step 3: Cross multiply
    686,336.04x = 1,029,489.48 × 187,700.04
  4. Step 4: Simplify right side
    686,336.04x = 193,235,216,575.58
  5. Step 5: Solve for x
    x = 193,235,216,575.58/686,336.04
  6. Step 6: Final answer
    x = 281,546.07

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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.