Home / 625,854.30-938,742.57-199,379.58

Finding the Fourth Proportional to 625,854.30, 938,742.57 and 199,379.58

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Solution

The fourth proportional to 625,854.30, 938,742.57 and 199,379.58 is: 299,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,854.30 : 938,742.57 = 199,379.58 : x
  2. Step 2: Convert to fraction form
    625,854.30/938,742.57 = 199,379.58/x
  3. Step 3: Cross multiply
    625,854.30x = 938,742.57 × 199,379.58
  4. Step 4: Simplify right side
    625,854.30x = 187,166,099,334.72
  5. Step 5: Solve for x
    x = 187,166,099,334.72/625,854.30
  6. Step 6: Final answer
    x = 299,056.98

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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.