Home / 1,211,010.24-1,815,884.63-571,142.17

Finding the Fourth Proportional to 1,211,010.24, 1,815,884.63 and 571,142.17

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Solution

The fourth proportional to 1,211,010.24, 1,815,884.63 and 571,142.17 is: 856,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,010.24 : 1,815,884.63 = 571,142.17 : x
  2. Step 2: Convert to fraction form
    1,211,010.24/1,815,884.63 = 571,142.17/x
  3. Step 3: Cross multiply
    1,211,010.24x = 1,815,884.63 × 571,142.17
  4. Step 4: Simplify right side
    1,211,010.24x = 1,037,128,285,773.44
  5. Step 5: Solve for x
    x = 1,037,128,285,773.44/1,211,010.24
  6. Step 6: Final answer
    x = 856,415.78

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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.