Home / 1,431,398.59-1,974,506.43-858,105.70

Finding the Fourth Proportional to 1,431,398.59, 1,974,506.43 and 858,105.70

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Solution

The fourth proportional to 1,431,398.59, 1,974,506.43 and 858,105.70 is: 1,183,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,398.59 : 1,974,506.43 = 858,105.70 : x
  2. Step 2: Convert to fraction form
    1,431,398.59/1,974,506.43 = 858,105.70/x
  3. Step 3: Cross multiply
    1,431,398.59x = 1,974,506.43 × 858,105.70
  4. Step 4: Simplify right side
    1,431,398.59x = 1,694,335,222,269.65
  5. Step 5: Solve for x
    x = 1,694,335,222,269.65/1,431,398.59
  6. Step 6: Final answer
    x = 1,183,692.11

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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.