Home / 386,618.14-580,010.63-116,723.89

Finding the Fourth Proportional to 386,618.14, 580,010.63 and 116,723.89

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Solution

The fourth proportional to 386,618.14, 580,010.63 and 116,723.89 is: 175,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,618.14 : 580,010.63 = 116,723.89 : x
  2. Step 2: Convert to fraction form
    386,618.14/580,010.63 = 116,723.89/x
  3. Step 3: Cross multiply
    386,618.14x = 580,010.63 × 116,723.89
  4. Step 4: Simplify right side
    386,618.14x = 67,701,096,974.95
  5. Step 5: Solve for x
    x = 67,701,096,974.95/386,618.14
  6. Step 6: Final answer
    x = 175,111.02

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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.