Home / 572,456.36-859,078.24-198,479.36

Finding the Fourth Proportional to 572,456.36, 859,078.24 and 198,479.36

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Solution

The fourth proportional to 572,456.36, 859,078.24 and 198,479.36 is: 297,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,456.36 : 859,078.24 = 198,479.36 : x
  2. Step 2: Convert to fraction form
    572,456.36/859,078.24 = 198,479.36/x
  3. Step 3: Cross multiply
    572,456.36x = 859,078.24 × 198,479.36
  4. Step 4: Simplify right side
    572,456.36x = 170,509,299,265.13
  5. Step 5: Solve for x
    x = 170,509,299,265.13/572,456.36
  6. Step 6: Final answer
    x = 297,855.54

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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.