Home / 885,471.66-1,327,418.55-324,374.94

Finding the Fourth Proportional to 885,471.66, 1,327,418.55 and 324,374.94

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Solution

The fourth proportional to 885,471.66, 1,327,418.55 and 324,374.94 is: 486,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,471.66 : 1,327,418.55 = 324,374.94 : x
  2. Step 2: Convert to fraction form
    885,471.66/1,327,418.55 = 324,374.94/x
  3. Step 3: Cross multiply
    885,471.66x = 1,327,418.55 × 324,374.94
  4. Step 4: Simplify right side
    885,471.66x = 430,581,312,511.14
  5. Step 5: Solve for x
    x = 430,581,312,511.14/885,471.66
  6. Step 6: Final answer
    x = 486,273.40

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1.5x scale

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.