Home / 1,029,890.57-1,542,843.25-579,242.21

Finding the Fourth Proportional to 1,029,890.57, 1,542,843.25 and 579,242.21

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Solution

The fourth proportional to 1,029,890.57, 1,542,843.25 and 579,242.21 is: 867,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,890.57 : 1,542,843.25 = 579,242.21 : x
  2. Step 2: Convert to fraction form
    1,029,890.57/1,542,843.25 = 579,242.21/x
  3. Step 3: Cross multiply
    1,029,890.57x = 1,542,843.25 × 579,242.21
  4. Step 4: Simplify right side
    1,029,890.57x = 893,679,924,651.26
  5. Step 5: Solve for x
    x = 893,679,924,651.26/1,029,890.57
  6. Step 6: Final answer
    x = 867,742.61

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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.