Home / 1,543,568.73-2,129,446.32-931,380.04

Finding the Fourth Proportional to 1,543,568.73, 2,129,446.32 and 931,380.04

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Solution

The fourth proportional to 1,543,568.73, 2,129,446.32 and 931,380.04 is: 1,284,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,568.73 : 2,129,446.32 = 931,380.04 : x
  2. Step 2: Convert to fraction form
    1,543,568.73/2,129,446.32 = 931,380.04/x
  3. Step 3: Cross multiply
    1,543,568.73x = 2,129,446.32 × 931,380.04
  4. Step 4: Simplify right side
    1,543,568.73x = 1,983,323,798,699.45
  5. Step 5: Solve for x
    x = 1,983,323,798,699.45/1,543,568.73
  6. Step 6: Final answer
    x = 1,284,895.04

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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.