Home / 377,696.82-521,252.08-216,566.86

Finding the Fourth Proportional to 377,696.82, 521,252.08 and 216,566.86

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Solution

The fourth proportional to 377,696.82, 521,252.08 and 216,566.86 is: 298,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,696.82 : 521,252.08 = 216,566.86 : x
  2. Step 2: Convert to fraction form
    377,696.82/521,252.08 = 216,566.86/x
  3. Step 3: Cross multiply
    377,696.82x = 521,252.08 × 216,566.86
  4. Step 4: Simplify right side
    377,696.82x = 112,885,926,234.07
  5. Step 5: Solve for x
    x = 112,885,926,234.07/377,696.82
  6. Step 6: Final answer
    x = 298,879.74

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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.