Home / 827,005.68-1,140,969.24-469,102.32

Finding the Fourth Proportional to 827,005.68, 1,140,969.24 and 469,102.32

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Solution

The fourth proportional to 827,005.68, 1,140,969.24 and 469,102.32 is: 647,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,005.68 : 1,140,969.24 = 469,102.32 : x
  2. Step 2: Convert to fraction form
    827,005.68/1,140,969.24 = 469,102.32/x
  3. Step 3: Cross multiply
    827,005.68x = 1,140,969.24 × 469,102.32
  4. Step 4: Simplify right side
    827,005.68x = 535,231,317,532.64
  5. Step 5: Solve for x
    x = 535,231,317,532.64/827,005.68
  6. Step 6: Final answer
    x = 647,191.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.