Home / 674,169.56-1,010,863.10-319,180.58

Finding the Fourth Proportional to 674,169.56, 1,010,863.10 and 319,180.58

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Solution

The fourth proportional to 674,169.56, 1,010,863.10 and 319,180.58 is: 478,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,169.56 : 1,010,863.10 = 319,180.58 : x
  2. Step 2: Convert to fraction form
    674,169.56/1,010,863.10 = 319,180.58/x
  3. Step 3: Cross multiply
    674,169.56x = 1,010,863.10 × 319,180.58
  4. Step 4: Simplify right side
    674,169.56x = 322,647,866,302.23
  5. Step 5: Solve for x
    x = 322,647,866,302.23/674,169.56
  6. Step 6: Final answer
    x = 478,585.64

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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.