Home / 653,210.25-979,818.68-203,893.45

Finding the Fourth Proportional to 653,210.25, 979,818.68 and 203,893.45

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Solution

The fourth proportional to 653,210.25, 979,818.68 and 203,893.45 is: 305,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,210.25 : 979,818.68 = 203,893.45 : x
  2. Step 2: Convert to fraction form
    653,210.25/979,818.68 = 203,893.45/x
  3. Step 3: Cross multiply
    653,210.25x = 979,818.68 × 203,893.45
  4. Step 4: Simplify right side
    653,210.25x = 199,778,613,464.41
  5. Step 5: Solve for x
    x = 199,778,613,464.41/653,210.25
  6. Step 6: Final answer
    x = 305,841.21

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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.