Home / 1,391,568.08-1,920,644.61-951,219.38

Finding the Fourth Proportional to 1,391,568.08, 1,920,644.61 and 951,219.38

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Solution

The fourth proportional to 1,391,568.08, 1,920,644.61 and 951,219.38 is: 1,312,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,568.08 : 1,920,644.61 = 951,219.38 : x
  2. Step 2: Convert to fraction form
    1,391,568.08/1,920,644.61 = 951,219.38/x
  3. Step 3: Cross multiply
    1,391,568.08x = 1,920,644.61 × 951,219.38
  4. Step 4: Simplify right side
    1,391,568.08x = 1,826,954,379,926.15
  5. Step 5: Solve for x
    x = 1,826,954,379,926.15/1,391,568.08
  6. Step 6: Final answer
    x = 1,312,874.60

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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.