Home / 513,087.41-708,055.83-283,650.62

Finding the Fourth Proportional to 513,087.41, 708,055.83 and 283,650.62

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Solution

The fourth proportional to 513,087.41, 708,055.83 and 283,650.62 is: 391,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,087.41 : 708,055.83 = 283,650.62 : x
  2. Step 2: Convert to fraction form
    513,087.41/708,055.83 = 283,650.62/x
  3. Step 3: Cross multiply
    513,087.41x = 708,055.83 × 283,650.62
  4. Step 4: Simplify right side
    513,087.41x = 200,840,471,633.84
  5. Step 5: Solve for x
    x = 200,840,471,633.84/513,087.41
  6. Step 6: Final answer
    x = 391,435.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.