Home / 1,768,307.05-2,650,572.01-1,008,512.72

Finding the Fourth Proportional to 1,768,307.05, 2,650,572.01 and 1,008,512.72

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Solution

The fourth proportional to 1,768,307.05, 2,650,572.01 and 1,008,512.72 is: 1,511,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,307.05 : 2,650,572.01 = 1,008,512.72 : x
  2. Step 2: Convert to fraction form
    1,768,307.05/2,650,572.01 = 1,008,512.72/x
  3. Step 3: Cross multiply
    1,768,307.05x = 2,650,572.01 × 1,008,512.72
  4. Step 4: Simplify right side
    1,768,307.05x = 2,673,135,600,217.86
  5. Step 5: Solve for x
    x = 2,673,135,600,217.86/1,768,307.05
  6. Step 6: Final answer
    x = 1,511,691.99

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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.