Home / 717,635.14-1,076,078.94-338,454.06

Finding the Fourth Proportional to 717,635.14, 1,076,078.94 and 338,454.06

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Solution

The fourth proportional to 717,635.14, 1,076,078.94 and 338,454.06 is: 507,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,635.14 : 1,076,078.94 = 338,454.06 : x
  2. Step 2: Convert to fraction form
    717,635.14/1,076,078.94 = 338,454.06/x
  3. Step 3: Cross multiply
    717,635.14x = 1,076,078.94 × 338,454.06
  4. Step 4: Simplify right side
    717,635.14x = 364,203,280,819.00
  5. Step 5: Solve for x
    x = 364,203,280,819.00/717,635.14
  6. Step 6: Final answer
    x = 507,504.81

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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.