Home / 1,384,454.50-1,910,497.39-868,486.19

Finding the Fourth Proportional to 1,384,454.50, 1,910,497.39 and 868,486.19

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Solution

The fourth proportional to 1,384,454.50, 1,910,497.39 and 868,486.19 is: 1,198,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,454.50 : 1,910,497.39 = 868,486.19 : x
  2. Step 2: Convert to fraction form
    1,384,454.50/1,910,497.39 = 868,486.19/x
  3. Step 3: Cross multiply
    1,384,454.50x = 1,910,497.39 × 868,486.19
  4. Step 4: Simplify right side
    1,384,454.50x = 1,659,240,587,522.34
  5. Step 5: Solve for x
    x = 1,659,240,587,522.34/1,384,454.50
  6. Step 6: Final answer
    x = 1,198,479.68

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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.