Home / 653,210.50-979,819.05-203,893.70

Finding the Fourth Proportional to 653,210.50, 979,819.05 and 203,893.70

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Solution

The fourth proportional to 653,210.50, 979,819.05 and 203,893.70 is: 305,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,210.50 : 979,819.05 = 203,893.70 : x
  2. Step 2: Convert to fraction form
    653,210.50/979,819.05 = 203,893.70/x
  3. Step 3: Cross multiply
    653,210.50x = 979,819.05 × 203,893.70
  4. Step 4: Simplify right side
    653,210.50x = 199,778,934,394.27
  5. Step 5: Solve for x
    x = 199,778,934,394.27/653,210.50
  6. Step 6: Final answer
    x = 305,841.58

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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.