Home / 522,890.44-721,588.80-296,535.94

Finding the Fourth Proportional to 522,890.44, 721,588.80 and 296,535.94

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Solution

The fourth proportional to 522,890.44, 721,588.80 and 296,535.94 is: 409,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,890.44 : 721,588.80 = 296,535.94 : x
  2. Step 2: Convert to fraction form
    522,890.44/721,588.80 = 296,535.94/x
  3. Step 3: Cross multiply
    522,890.44x = 721,588.80 × 296,535.94
  4. Step 4: Simplify right side
    522,890.44x = 213,977,012,409.51
  5. Step 5: Solve for x
    x = 213,977,012,409.51/522,890.44
  6. Step 6: Final answer
    x = 409,219.59

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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.