Home / 680,760.90-1,021,252.18-201,037.23

Finding the Fourth Proportional to 680,760.90, 1,021,252.18 and 201,037.23

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Solution

The fourth proportional to 680,760.90, 1,021,252.18 and 201,037.23 is: 301,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,760.90 : 1,021,252.18 = 201,037.23 : x
  2. Step 2: Convert to fraction form
    680,760.90/1,021,252.18 = 201,037.23/x
  3. Step 3: Cross multiply
    680,760.90x = 1,021,252.18 × 201,037.23
  4. Step 4: Simplify right side
    680,760.90x = 205,309,709,398.66
  5. Step 5: Solve for x
    x = 205,309,709,398.66/680,760.90
  6. Step 6: Final answer
    x = 301,588.57

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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.