Home / 568,240.72-852,139.48-213,061.20

Finding the Fourth Proportional to 568,240.72, 852,139.48 and 213,061.20

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Solution

The fourth proportional to 568,240.72, 852,139.48 and 213,061.20 is: 319,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,240.72 : 852,139.48 = 213,061.20 : x
  2. Step 2: Convert to fraction form
    568,240.72/852,139.48 = 213,061.20/x
  3. Step 3: Cross multiply
    568,240.72x = 852,139.48 × 213,061.20
  4. Step 4: Simplify right side
    568,240.72x = 181,557,860,176.18
  5. Step 5: Solve for x
    x = 181,557,860,176.18/568,240.72
  6. Step 6: Final answer
    x = 319,508.71

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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.