Home / 1,379,454-1,902,568.08-896,174.86

Finding the Fourth Proportional to 1,379,454, 1,902,568.08 and 896,174.86

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Solution

The fourth proportional to 1,379,454, 1,902,568.08 and 896,174.86 is: 1,236,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,454 : 1,902,568.08 = 896,174.86 : x
  2. Step 2: Convert to fraction form
    1,379,454/1,902,568.08 = 896,174.86/x
  3. Step 3: Cross multiply
    1,379,454x = 1,902,568.08 × 896,174.86
  4. Step 4: Simplify right side
    1,379,454x = 1,705,033,682,734.47
  5. Step 5: Solve for x
    x = 1,705,033,682,734.47/1,379,454
  6. Step 6: Final answer
    x = 1,236,020.69

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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.