Home / 885,093.95-1,327,315.38-316,321.31

Finding the Fourth Proportional to 885,093.95, 1,327,315.38 and 316,321.31

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Solution

The fourth proportional to 885,093.95, 1,327,315.38 and 316,321.31 is: 474,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,093.95 : 1,327,315.38 = 316,321.31 : x
  2. Step 2: Convert to fraction form
    885,093.95/1,327,315.38 = 316,321.31/x
  3. Step 3: Cross multiply
    885,093.95x = 1,327,315.38 × 316,321.31
  4. Step 4: Simplify right side
    885,093.95x = 419,858,141,916.83
  5. Step 5: Solve for x
    x = 419,858,141,916.83/885,093.95
  6. Step 6: Final answer
    x = 474,365.62

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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.